(NgEOGRAFI^ESKIE USLOWIQ I PROBLEMY SELXSKOGO HOZQJSTWA TAEVNYH RAJONOW zAPADNO(B-(NsIBIRSKOJ RAWNINY (B/s - (N{OCKIJ(B, (NwLADIMIR pORFIRXEWI^s; (NiNSTITUT GEOGRAFII sIBIRI I dALXNEGO wOSTOKAs ((NiRKUTSK (B:s (Nb(B. (NI(B.s)
(NwYP(B. 2 (1971, 178 (NS(B.)s
Keywords: (N|KONOMI^ESKAQ GEOGRAFIQ (B- (NTAEVNYH RAJONOW zAPADNO(B-(NsIBIRSKOJ RAWNINYs