Pavlov and his school : the theory of conditioned reflexes /
by Y. P. Frolov. London, K. Paul, Trench, Trubner, 1938 ; translation of I. P. Pavlov i ego uchenie ob uslovnykh refleksakh.
- New York : Johnson Reprint Corporation, 1970.
- xix, 291 p. : ill. ; 23 cm.