Die geographischen Rassen der extramarinen Wirbeltiere Europas
By: von Fridthjof Ökland
Publisher: G. Fischer
Published: 1937
Place of publication: Jena
Language: ger
Number of pages: 484
Subjects: Zoology; Vertebrates
Notes: "Abdruck aus Zoogeographica ... Band 3, Heft 3."

Includes bibliographical references (p. 471-484).