Fauna i Ekologiya Ptits Evrazii [Faunistic and Ecological Studies of Eurasian Birds]. Trudy Zoologicheskogo Instituta, Akademiya Nauk SSSR

Novye ptitsy Mela-Paleogena SSSR i nekotorye zamechaniya po istorii vozniknoveniya i evolyutsii klassa [New Cretaceous-Paleogene birds of the USSR and some remarks on the origin and evolution of the Class Aves] - 1989