New Stratigraphically and Phylogenetically Important Olcostephanid (Ammonitida) Taxa From the Uppermost Lower and Upper Valanginian of Sverdrup Basin, N.W.T.
Contributors: Kemper, E.; Jeletzky, J.A.
Series: Paper (Geological Survey of Canada) -- 79-19
Publisher: s.n
Published: 1979
Place of publication: S.l
Language: eng
Notes: 1