(NkALENDARX RUSSKOJ PRIRODY (B/s - (NsTRIVEW(B, (NaLEKSANDR nIKOLAEWI^s ((NmOSKWA (B:s (NmOSK(B. (NRABO^IJ(B,s, 1973)
Keywords: (NbIOLOGI^ESKIE NAUKIs