(NoSNOWY \KOLOGII I OHRANA OKRUVA@]EJ SREDY(B: (Nu^EBNIK DLQ S(B/(NH WUZOW(B.s (NbANNIKOW aNDREJ gRIGORXEWI^ I DR(B.s - (NbANNIKOW aNDREJ gRIGORXEWI^ I DR(B.s ((NmOSKWAs (NkOLOSs, 1999)
(Na(B.(Ng(B.(NbANNIKOW(B, (Na(B.(Na(B.(NwAKULIN(B, (Na(B.(Nk(B.(NrUSTAMOW(B.s