(NbURENIE [PUROW (B: s [(Nu^EB(B. (NPOSOBIE DLQ GORNOPROM(B. (NU^ILI] I POWY[ENIQ KWALIFIKACII RABO^IH NA PROIZWODSTWE(B] / s - (NfEJGIN(B, (NlEW mIHAJLOWI^(B. s; (N{ETLER(B, (Ng(B.(Na(B. s ((NmOSKWA (B:s (NgOSGORTEHIZDAT(B,s, 1959)
Keywords: (NbURENIE [PUROWs