(NkUDESNIK POLEJ (B:s (No^ERK (B/s - (NwOROBXEW(B, (NnIKOLAJ qKOWLEWI^s ((NmOSKWA (B:s (NgOSIZDAT SELXSKOHOZ(B. (NLIT(B.,s, 1959)
Keywords: (NoB]EE ZEMLEDELIEs