(NwYRA]IWANIE POLEZA]ITNYH LESNYH POLOS (B:s ((NtEHNIKA I ORGANIZACIQ RABOT(B) /s - (NbRAGINA(B, (NfRIDA gRIGORXEWNAs; (NnIKITIN(B, (Np(B.(Nds; (NsAW^ENKO(B-(NbELXSKIJ(B, (Na(B.(Nas ((Nm(B. :s (NgOSIZDAT SELXSKOHOZ(B. (NLIT(B.,s, 1957)
(NpRILOV(B.: (NS(B. 131-133s
Keywords: (NpRAKTI^ESKOE LESORAZWEDENIEs