(NoRGANIZACIQ I TEHNOLOGIQ PROIZWODSTWA ZEMLQNYH RABOT (B:s (Nu^EBNOE POSOBIE DLQ PROF(B.- (NTEH(B. (NU^ILI] (B/s - (NbOR]OW(B, (NtIMOFEJ sERGEEWI^s; (NkOLESNI^ENKO(B, (Nw(B.(Nws ((NmOSKWA (B:s (NwYS[AQ [KOLA(B,s, 1978)
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Keywords: (NzEMLQNYE RABOTYs