000 00446nam a2200133Ia 4500
008 180413s9999 xx 000 0 und d
020 _a8176491535 (Pbk);
_6 000
100 _aGray N F
245 0 _aWater Technology An Introduction For Scientists And Engineers
260 _bNew Delhi : Viva Books 1999.
300 _a548
546 _aEng
690 _aWater ; Hydrobiology ; Water Technology ; Aquatic Ecosystems ; Water Pollution ; Waste Water.
999 _c12770
_d12770