(NaGROHIMIQ (B:s (Nu^EBNIK DLQ SELXSKOHOZQJSTWENNYH WUZOW (B/s - (NkLE^KOWSKIJ(B, (Nw(B.(Nm(B.s; (NpETERBURGSKIJ(B, (Na(B.(Nw(B.s ((Nm(B. :s (NkOLOS(B,s, 1964)
Keywords: (NaGROHIMIQs