(NpROSLAWLENNYE TRUDOM (B/s - (NbERE]UK(B, (Nn(B.s ((NaLMA(B-(NaTA (B:s (NkAZAH(B. (NGOS(B. (NIZD(B-(NWO(B,s, 1960)
Keywords: (NpEREDOWIKI(B-(NKOLHOZNIKI (B- (NkAZssrs