(NwREDITELI [I[EK I SEMQN ELI (B/s - (NqKOWLEW(B, (NbORIS pETROWI^s; (NkARELXSKIJ FILIAL aKADEMII nAUK sssrs ((NpETROZAWODSK (B:s (NgOSIZDAT kARELXSKOJ assr(B,s, 1961)
Keywords: (NlESNAQ TIPOLOGIQs