(NtRUDY PO LESNOMU HOZQJSTWU (B/s - (NgURWI^(B, (Ni(B.(Nq(B.s; (NgLAWNOE UPRAWLENIE SELXSKOHOZQJSTWENNOJ NAUKI msh rsfsrs; (NlENINGRADSKIJ NAU^NO(B-(NISSLEDOWATELXSKIJ INSTITUT LESNOGO HOZQJSTWAs ((Nl(B. :s (Nb(B. (NI(B.,s, 1959)
Keywords: (NlESNOE HOZQJSTWOs