Probrano po: Ornitologija
Comparative osteology of European corvids (aves: Corvidae), with a key to the identification of their skeletal elements / Theresa Tomek and Zbigniew M. Bocheński
61
ecology of reed birds ; edited by Herbert Hoi
62
Ueber die Verbreitung einiger Eulen-Arten in Suedost-Europa / N. Boev ; S. Simeonov
67
Wetland birds : habitat resources and conservation implications / Milton W. Weller
69
Životinje : Diel 5.-7. Ptice / napisao Davorin Trstenjak
72