(NgIDRAWLI^ESKAQ DOBY^A UGLQ W dONBASSE (B/s - (Nt@PIN(B, (NpETR fEDOROWI^s ((NsTALINO (B:s (NsTALINSKOE OBL(B. (NIZD(B-(NWO(B,s, 1958)
Keywords: (NuGLEDOBY^A s -- (NgIDROMEHANIZACIQs