RT Journal Article SR 00 A1 Somlyody, L. T1 Challenges of water quality management in Central and Eastern Europe JF WMO Bulletin YR 1996 FD 1996 VO 45 IS 4 SP 342 OP 347 PB World Meteorological Society SN 0042-9767 LK https://pure.iiasa.ac.at/id/eprint/4609/