Microevolution of eastern palaearctic Grey tits as indicated by their vocalizations (Parus [Poecile]: Paridae, Aves) I. Parus montanus: Contributions to the Fauna of the Far East, No. 2

Martens J., Nazarenko A.A.

Journal of Zoological Systematics and Evolutionary Research 1993; 31(2): 127-143