Distribution, biology and protection of scavenger birds (Aegypius monachus, Gyps fulvus, Neophron percnopterus, Gypaetus barbatus) in Azerbaijan : автореферат дис. ... doctor of biological sciences : speciality 2401.01 Zoology — Karimov, Tahir Arshad oglu — 2021 — Российская библиотека диссертаций