http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Kjaer, Johan. -- Suborder Cyathaspida. By Johan Kjær † and Anatol -- Heintz. P. 1. -- Oslo: Dybwad in Komm. 1935. 4°(8°) -- (The Downtonian and Devonian Vertebrates of Spitsbergen. 5, 1.) -- (Skrifter om Svalbard og Ishavet. 40.) -- ʘ [36. 300 -- 1 : 4° Lh 43026-40 -- BZD