000 00463nam a2200193Ia 4500
008 221105s9999 xx 000 0 und d
020 _a9788120319301
041 _aENGLISH
082 _a628 RAO
082 _bVEN
100 _aVENUGOPALA RAO P.
245 0 _aTEXTBOOK OF ENVIRONMENTAL ENGINEERING
250 _a-
260 _bPHI LEARNING PRIVATE LIMITED.
260 _c2013
300 _a268 p.
650 _aENVIRONMENTAL ENGINEERING
942 _cBK
999 _c36341
_d36341