Festschrift für Claus Nissen : zum siebzigsten Geburtstag, 2. Sept. 1971 /
Nissen, Claus,1901-
Geck, Elisabeth,1922-
Pressler, Guido.
Wiesbaden : Pressler,
1973.
English, French, German, or Dutch.
Includes bibliographies.
Natural history.