cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.3535/bmn-mt5-yrs
title: Buteo buteo buteo

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/rf7-3tw-d38
title: Gallus lafayetii

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/hmd-4bg-vkv
title: Myzomela pulchella

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/szh-1xn-h91
title: Calidris maritima

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/ctg-0te-5bl
title: Calidris minuta

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/t9p-vrv-w0d
title: Arenaria interpres interpres

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/e60-r8g-wxh
title: Buteo rufinus rufinus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/y57-5hr-jye
title: Onychoprion anaethetus anaethetus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/80t-lgc-lj9
title: Orthotomus castaneiceps frontalis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/zvb-ryx-0p6
title: Dicaeum eximium phaeopygium

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/21d-6by-cdc
title: Stercorarius parasiticus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/erl-ajt-1vt
title: Loriculus philippensis bonapartei

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/rwj-xn6-81n
title: Fulmarus glacialis glacialis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/ghp-6z1-4y7
title: Circus aeruginosus aeruginosus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/ra3-1w5-05j
title: Podiceps nigricollis nigricollis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/4te-jl8-lss
title: Myzomela pulchella

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/71n-w1k-7f8
title: Rhipidura brachyrhyncha devisi

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/a28-nd4-wbe
title: Nectarinia venusta falkensteini

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/qke-qf8-zds
title: Merops philippinus philippinus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/zm6-z1v-04v
title: Macropygia amboinensis carteretia

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/mdf-xay-x5q
title: Larus ridibundus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/t7q-rnn-9sy
title: Nectarinia jugularis flavigastra

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/yz1-cb7-9mf
title: Gavia stellata stellata

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/1eq-491-4yn
title: Philomachus pugnax

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/twj-z32-nrh
title: Ixobrychus sinensis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/xlr-elk-czc
title: Larus glaucoides glaucoides

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/b8x-3vm-nq5
title: Accipiter trivirgatus extimus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/ng5-a8f-8eq
title: Calidris maritima

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/5n3-e1f-1d2
title: Pluvialis apricaria altifrons

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/jym-we3-tl9
title: Leptocoma sericea corinna

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/n2y-jen-v2s
title: Turdus philomelos

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/kbg-h40-b2l
title: Phoenicurus phoenicurus phoenicurus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/wlt-pqp-1jj
title: Stercorarius longicaudus longicaudus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/8ny-7n4-6ck
title: Mergus serrator

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/qqk-h39-khf
title: Actitis hypoleucos

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/wjs-rn3-syr
title: Podiceps grisegena grisegena

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/484-4r4-69t
title: Falco tinnunculus tinnunculus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/hq4-shs-r59
title: Cisticola exilis polionotus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/jng-45w-8hk
title: Podiceps major navasi

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/kpb-kl2-qk4
title: Sterna hirundo longipennis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/cxw-l92-fwk
title: Buteo buteo buteo

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/n23-shy-1pj
title: Porzana porzana

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/xlt-13g-nk1
title: Larus glaucoides glaucoides

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/axg-99w-zj8
title: Phalaropus lobatus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/j8s-jn2-6z7
title: Parus major

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/sad-j2y-6tq
title: Collocalia esculenta marginata

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/hwj-b07-p88
title: Myzomela cardinalis sanfordi

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/tvf-rmc-jg0
title: Saxicola ferreus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/5la-t8w-h7x
title: Tachybaptus ruficollis ruficollis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/nmn-fmk-sc9
title: Falco subbuteo subbuteo

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/snx-7yt-ps3
title: Limosa limosa limosa

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/w13-r94-z3l
title: Gelochelidon nilotica nilotica

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/zy1-2nn-xd0
title: Hemiprocne mystacea aeroplanes

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/0l8-068-zfh
title: Corvus philippinus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/qmc-2tl-2ne
title: Podiceps grisegena grisegena

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/rga-8f5-var
title: Rallus aquaticus aquaticus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/3bg-8xx-f55
title: Myiagra hebetior cervinicolor

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/ndq-8eb-q03
title: Orthotomus sericeus sericeus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/c2e-tps-6hp
title: Falco tinnunculus tinnunculus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/m02-ayq-l36
title: Melanocharis striativentris striativentris

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/zwh-a0k-6z2
title: Prioniturus waterstradti waterstradti

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/1nn-pgd-blb
title: Larus argentatus argentatus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/b9a-awn-j1g
title: Perdix perdix perdix

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/3qr-0z2-hrf
title: Limosa limosa limosa

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/80f-xcx-srp
title: Phalaropus fulicarius

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/dbn-1v6-dhd
title: Phasianus colchicus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/fkq-qx9-a5g
title: Ciconia ciconia ciconia

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/j1r-yyx-h3k
title: Leptocoma sericea corinna

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/684-4jx-pvk
title: Buteo buteo buteo

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/dhn-ws4-4nn
title: Buteo buteo buteo

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/dxc-hdq-566
title: Larus marinus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/b5f-ey3-70g
title: Recurvirostra avosetta

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/nah-av2-vkl
title: Philomachus pugnax

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/elw-5h0-fx8
title: Puffinus puffinus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/g7s-nlh-st9
title: Woodfordia superciliosa

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/sdg-d7d-jnp
title: Accipiter nisus nisus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/bzf-2d5-2f2
title: Haematopus ostralegus ostralegus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/mdp-944-4h2
title: Falco peregrinus anatum

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/04n-d89-7dk
title: Anas clypeata

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/ycr-yjm-mt5
title: Gallinula chloropus chloropus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/zyb-km3-2r0
title: Tringa totanus totanus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/ccnyp6g
title: CCDC 624346: Experimental Crystal Structure Determination

description: Related Article: F.P.A.Fabbiani, D.R.Allan, S.Parsons, C.R.Pulham|2006|Acta Crystallogr.,Sect.B:Struct.Sci.|62|826|doi:10.1107/S0108768106026814
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/5fe-v6q-a1y
title: Pachycephala citreogaster citreogaster

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/gwx-vnr-0y3
title: Centropus ateralbus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/cc9dqcr
title: CCDC 280344: Experimental Crystal Structure Determination

description: Related Article: J.Bould, U.Dorfler, N.P.Rath, L.Barton, C.A.Kilner, M.G.S.Londesborough, D.L.Ormsby, J.D.Kennedy|2006|Dalton Trans.||3752|doi:10.1039/b604295c
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccnyp7h
title: CCDC 624347: Experimental Crystal Structure Determination

description: Related Article: F.P.A.Fabbiani, D.R.Allan, S.Parsons, C.R.Pulham|2006|Acta Crystallogr.,Sect.B:Struct.Sci.|62|826|doi:10.1107/S0108768106026814
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/ahd-l2g-pxk
title: Buteo buteo buteo

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/qbv-183-z5v
title: Anas acuta

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/wkk-6xq-9dp
title: Pericrocotus igneus igneus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/cc8lhr2
title: CCDC 256114: Experimental Crystal Structure Determination

description: Related Article: F.S.Delgado, C.Ruiz-Perez, J.Sanchiz, F.Lloret, M.Julve|2006|CrystEngComm|8|507|doi:10.1039/b603374a
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccnyp8j
title: CCDC 624348: Experimental Crystal Structure Determination

description: Related Article: F.P.A.Fabbiani, D.R.Allan, S.Parsons, C.R.Pulham|2006|Acta Crystallogr.,Sect.B:Struct.Sci.|62|826|doi:10.1107/S0108768106026814
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/4b3-cqf-z71
title: Gallinula chloropus chloropus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/yyt-6sk-mdn
title: Lonchura melaena melaena

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/cc674h1
title: CCDC 185612: Experimental Crystal Structure Determination

description: Related Article: Xiu-Ying Liu, Hai-Liang Zhu|2005|Synth.React.Inorg.,Met.-Org.,Nano-Met.Chem.|35|155|doi:10.1081/SIM-200035701
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc8lhs3
title: CCDC 256115: Experimental Crystal Structure Determination

description: Related Article: F.S.Delgado, C.Ruiz-Perez, J.Sanchiz, F.Lloret, M.Julve|2006|CrystEngComm|8|507|doi:10.1039/b603374a
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/9s9-alb-nnt
title: Hydrobates pelagicus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/fa7-arh-1xj
title: Larus ridibundus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/h8c-9mx-64w
title: Ciconia ciconia ciconia

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/ccnv4k5
title: CCDC 620947: Experimental Crystal Structure Determination

description: Related Article: Yongnian Gao, Yulin Lam|2006|Org.Lett.|8|3283|doi:10.1021/ol0611494
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/egr-yv7-k9h
title: Bucephala clangula clangula

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/fyp-wbf-8q7
title: Chlidonias niger niger

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/lad-lpd-ss4
title: Spizixos semitorques semitorques

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/cc8lhp0
title: CCDC 256112: Experimental Crystal Structure Determination

description: Related Article: F.S.Delgado, C.Ruiz-Perez, J.Sanchiz, F.Lloret, M.Julve|2006|CrystEngComm|8|507|doi:10.1039/b603374a
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccncv4z
title: CCDC 607201: Experimental Crystal Structure Determination

description: Related Article: I.Kuzu, B.Neumuller|2006|Z.Anorg.Allg.Chem.|632|1524|doi:10.1002/zaac.200600092
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/5ya-sb3-3kk
title: Coracina papuensis sclaterii

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/9g6-h3c-0ap
title: Pernis apivorus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/c2b-nee-cmx
title: Macronus striaticeps kettlewelli

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/ccnypx5
title: CCDC 624368: Experimental Crystal Structure Determination

description: Related Article: G.S.Nichol, W.Clegg, M.J.Gutmann, D.M.Tooke|2006|Acta Crystallogr.,Sect.B:Struct.Sci.|62|798|doi:10.1107/S0108768106025171
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/150-bxr-f26
title: Pandion haliaetus haliaetus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/y1z-yyx-gh2
title: Phoenicurus phoenicurus phoenicurus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.5517/ccnv2bw
title: CCDC 620878: Experimental Crystal Structure Determination

description: Related Article: D.S.McGuinness, D.B.Brown, R.P.Tooze, F.M.Hess, J.T.Dixon, A.M.Z.Slawin|2006|Organometallics|25|3605|doi:10.1021/om0601091
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccnypdn
title: CCDC 624352: Experimental Crystal Structure Determination

description: Related Article: V.Bertolasi, L.Pretto, G.Gilli, P.Gilli|2006|Acta Crystallogr.,Sect.B:Struct.Sci.|62|850|doi:10.1107/S0108768106020933
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.3535/3cw-nd1-fy8
title: Accipiter gentilis gentilis

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/agh-xx3-y9d
title: Symposiachrus trivirgatus diadematus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.
DOI: 10.3535/z5a-bsv-20g
title: Surniculus lugubris minimus

description: Digital Specimen for the physical specimen hosted at Natural History Museum of Denmark.