(NrYBNOE HOZQJSTWO kALININSKOJ OBLASTI (B/s - (NdERQGIN(B, (Np(B. (Na(B.s; (NnIKANOROW `(B, (Ni(B.s ((NmOSKWA (B:s (NmOSK(B. (NRABO^IJ(B,s, 1974)
Keywords: (NrYBNOE HOZQJSTWO (B- (NbIOLOGIQ RYB (B- (NkALININSKAQ OBLASTXs