000 00353nam a2200145Ia 4500
654 _aCIVI
100 _aRao, R.V.
250 _a1st Ed.
020 _a9788120319301
245 _aTextbook of Environmental Engineering
260 _bPHI Learning Private Limited
_aNew Delhi
_c2012
082 _bRAO
_a620.8
300 _axi, 268p.
999 _c16129
_d16129
300 _c22 cm.
655 _aC-13
041 _aeng
546 _aText in English