(NoZERA pSKOWSKOJ OBLASTI (B:s (NpOSOBIE PO KRAEWEDENI@ (B: ((NdLQ STUDENTOW ESTESTWENNO(B-(NGEOGRAFI^ESKOGO FAKULXTETA(B, (NU^ITELEJ GEOGRAFII I BIOLOGII(B) /s - (NlESNENKO(B, (NwIKTOR kLIMENTXEWI^s; (NaBROSOW(B, (NwASILIJ nIKIFOROWI^s; (NlENINGRADSKIJ GOSUDARSTWENNYJ PEDAGOGI^ESKIJ INSTITUT IM(B. (Na(B.(Ni(B. (NgERCENAs ((NpSKOW (B:s (Nb(B. (NI(B.,s, 1973)
Keywords: (NlIMNOLOGIQs