(NnOWYE METODY PODNQTIQ PRODUKTIWNOSTI P^ELOWODSTWA (B/s - (NkOTOGQN(B, (Na(B.(Nm(B.s; (NnARODNYJ KOMISSARIAT ZEMLEDELIQ aRMQNSKOJ ssrs; (NrESPUBLIKANSKAQ OPYTNAQ STANCIQ VIWOTNOWODSTWAs ((NeREWAN (B:s (Nb(B. (NI(B.,s, 1941)
(NbIBLIOGR(B.: (NS(B. 101-103(36 (NNAIM(B.)s
Keywords: (Np^ELOWODSTWOs