I (NwSESO@ZNYJ SIMPOZIUM PO BOLEZNQM I PARAZITAM WODNYH BESPOZWONO^NYH (B:s (NmATERIALY SIMPOZIUMA (B/s - (NzDUN(B, (Nw(B. (Ni(B.s; (NlENINGRADSKIJ GOSUDARSTWENNYJ UNIWERSITET IM(B. (Na(B.(Na(B. (NvDANOWAs ((NlXWOW (B:s (NiZD(B-(NWO lXWOWSKOGO UN(B-(NTA(B,s, 1972)
Keywords: (NiHTIOLOGIQ (B- (NiSSLEDOWANIQs