(NpUTX W HLEBOROBY (B:s (Nw(B.(Ni(B. (NpAPKOW(B.s - (NpAPKOW(B, (NwALENTIN iWANOWI^s ((NmOSKWA (B:s (NrOSSELXHOZIZDAT(B,s, 1975)
Keywords: (NmEHANIZACIQ W SELXSKOM HOZQJSTWEs