(NoPYT RABOTY SPECIALIZIROWANNYH SOWHOZOW lENINGRADSKOJ OBLASTI (B:s ((NpO PROIZWODSTWU OWO]EJ(B, (NKARTOFELQ I PRODUKTOW VIWOTNOWODSTWA(B) /s - (NtAIROW(B, (Nm(B.s ((NlENINGRAD (B; s (NmOSKWA (B:s (NsELXHOZGIZ(B,s, 1960)
Keywords: (NoWO]EWODSTWO (B- (NpRIGORODNYE ZONY (B- (NlENINGR(B. (NOBL(B.s