(NsOBRANIE SO^INENIJ(B:s (NW (B12-(NTI T(B./s (Nt(B. 8,s (NpO^WOWEDENIE I AGRONOMIQ(B: (NOTDELXNYE RABOTYs - (NwILXQMS(B, (NwASILIJ rOBERTOWI^s; (NwILXQMS(B, (Nw(B. (Nr(B.s (NwASILIJ rOBERTOWI^s ((Nm(B.:s (NsELXHOZIZDATs, 1951)