(NkALENDARX PRIRODY bA[KIRII (B/s - (NkU^EROW(B, (NeWGENIJ wASILXEWI^s ((NuFA (B:s (NbA[K(B. (NKN(B. (NIZD(B-(NWO(B,s, 1969)
Keywords: (NbIOLOGI^ESKIE NAUKIs