Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
18 ta ish
Ish: A Census Technique for Afromontane Forest Bird Communities
Stanley H. Anderson, Herman H. Shugart
Martin L. Cody
R. A. Earlé
J. H. Koen, Timothy M. Crowe
Sven G. Nilsson