http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Poulsen, Erik M[ellentin]: Freshwater Entomostraca
Poulsen, Erik M[ellentin]: Freshwater Entomostraca. -- København 1940. 72 S. 4° (The Zoology of East Greenland.) -- (Meddelelser om Grønland. 121, 4.) -- [40. 45216 -- 1: 4° Ut 8002 - 121, 4 -- BZD