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Reproductive Effort and Breeding Success in Relation to Age by the Rook Corvus frugilegus
Eivin Røskaft, Yngve Espmark and Torbjörn JärviVolume:
14
Language:
english
Journal:
Ornis Scandinavica
DOI:
10.2307/3676148
Date:
September, 1983
File:
PDF, 796 KB
english, 1983