(NbOTANIKA (B:s (Nu^EBNIK DLQ PED(B. (NU^ILI] (B/s - (NiGNATXEW(B, (NbORIS wARNAWOWI^s ((NmOSKWA (B:s (Nu^PEDGIZ(B,s, 1952)
Keywords: (NbOTANIKA s -- (Nu^EBNIKI I POSOBIQs