The structure and ontogeny of corvine social play of the rook (Corvus frugilegus, L.) and the hooded crow (Corvus corone cornix, L.)
Contributors: Freie Universität Berlin
Publisher: Institut für Allgemeine Zoologie der Freien Universität Berlin?
Published: 1983
Place of publication: Berlin
Language: eng
Number of pages: 301
Notes: In Periodical Room.

Thesis (doctoral)--Freie Universität Berlin, 1983.