000 00425nam a22001697a 4500
999 _c68253
_d68250
022 _a978-9380090214
082 _a628.1GAU
100 _aGaur P K
245 _aPrinciples of Water and Waste Water Treatment
260 _aNew Delhi
_bSBS Pub
_c2012
300 _a323p.
650 _aSewage--Purification--
650 _aBiological treatment
650 _aSewage disposal
650 _aWater--Purification
942 _cBK