(NoHRANA WOZDU[NOGO BASSEJNA W ZONE GORNO(B-(NMETALLURGI^ESKIH PREDPRIQTIJ (B:s (Nu^EBNOE POSOBIE (B/s - (NgULX(B, (N`RIJ pETROWI^s ((NlENINGRAD (B:s (Nb(B. (NI(B.,s, 1976)
Keywords: (NwOZDUH NASELENNYH MEST (B- (NoHRANAs; (NoTHODQ]IE GAZY METALLURGI^ESKIH ZAWODOW (B- (No^ISTKAs