(NtRUDY tRETXEJ pRIBALTIJSKOJ ORNITOLOGI^ESKOJ KONFERENCII(B, (NSOSTOQW[EJSQ W G(B. (NwILXN@S (B22-28 (NAWGUSTA (B1957 (NG(B. /s - (NiWANAUSKAS(B, (Nt(B.(Nl(B. s; (NiNSTITUT BIOLOGII an lITOW(B. (Nssrs ((NwILXN@S (B:s (Nb(B. (NI(B.,s, 1959)
Keywords: (NoRNITOLOGI^ESKIE NABL@DENIQ (B- (NsBORNIKIs; (NpTICY (B- (NsBORNIKIs