(NrYBOWODSTWO NA sEWANSKOM OZERE (B/s - (NfORTUNATOW(B, (Nm(B.(Na(B. s ((N|RIWANX (B:s (Nb(B. (NI(B.,s, 1927)
(NoTD(B. (NOTT(B. (NIZ tRUDOW sEWANSKOJ OZERNOJ STANCII (B((Nt(B. 1, (NWYP(B. 1)s
Keywords: (NrYBOWODSTWO s -- (NoZERO sEWANs