(NpROSTO RABO^IJ (B/s - (N~ERTKOW(B, (NbORIS aBRAMOWI^s ((NlENINGRAD (B:s (NlENIZDAT(B,s, 1962)
Keywords: (NsLESARNYE RABOTY (B- (NiZOBRETATELXSTWO I RACIONALIZACIQ (B- (No^ERKIs