(NkALENDARX PRIRODY (B/s - (NpOKROWSKIJ(B, (NsERGEJ wIKTOROWI^s ((NmOSKWA (B:s (Nu^PEDGIZ(B,s, 1953)
(NbIBLIOGR(B.: (NS(B. 215-217s
Keywords: (NfENOLOGI^ESKIE NABL@DENIQs