000 00506nam a2200181Ia 4500
003 SGT
020 _a9780071002318
082 _a628
_bPEA
100 _aPeavy,H.S
245 _aEnvironmental engineering
260 _bTata McGraw Hill Education Private Limited
_aNew Delhi
_c1985
300 _aV.P.p.
650 _aCIVIL ENGINEERING
653 _aWATER ,WATER PURIFICATION IN NATURAL ENGINEERED SYSTEMS FOR WATER PURIFICATION
700 _aRowe,D.R
700 _aTchobanoglous,G
942 _2ddc
_cBK
_013
999 _c5151
_d5151