(NsOWREMENNYE SISTEMY POLU^ENIQ WYSOKOKA^ESTWENNYH LITYH ZAGOTOWOK (B:s (NmATERIALY SEMINARA (B/s - (NpROSQNIK(B, (Ng(B. (Nw(B.s; (NoB]ESTWO (B"(NzNANIE(B"s ((NmOSKWA (B:s (Nb(B. (NI(B.,s, 1973)