(NpREDOTWRA]ENIE ZAGRQZNENIQ OKRUVA@]EJ SREDY (B/s - (NdIAMANT(B, (Nr(B.s; (NcYGANKOW(B, (Na(B.(Np(B.s; (NfROLOWA(B, (Nt(B.(Ni(B.s ((NmOSKWA (B:s (NsTROJIZDAT(B,s, 1979)
Keywords: (NoHRANA OKRUVA@]EJ SREDYs