(NrUKOWODSTWO DLQ PROIZWODITELQ WYPRAWITELXNYH RABOT (B/s - (NlAWRINOWI^(B, (Nl(B.(Np(B. s; (NwARLAMOW(B, (Nn(B.(Nn(B.s ((NmOSKWA (B:s (NrE^IZDAT(B,s, 1946)
Keywords: (NrE^NAQ NAWIGACIQs