Geology of a Middle Devonian cannel coal from Spitsbergen
By: by Thorolf Vogt. Petrology of a middle Devonian cannel coal from Spitsbergen, by Gunnar Horn
Series: [Norway] Norges Svalbard- og Ishavs-undersøkelser. Meddelelse[r] -- nr. 50; Meddelelser (Norsk polarinstitutt) -- nr. 50.
Publisher: I kommisjon hos. J. Dybwad
Published: 1941
Place of publication: Oslo
Language: eng
Number of pages: 18
Notes: Cover-title.

"References": p. 11-12, 18.