Title: Redkie vidy ptit︠s︡ Nechernozemnogo t︠s︡entra
Subtitle: materialy III soveshchanii︠a︡ "Redkie vidy ptit︠s︡ Nechernozemnogo t︠s︡entra" (Moskva, 1-3 dekabri︠a︡ 2000 g.)
Subjects: Rare birds, Identification
Places: Russia (Federation)