000 00358pam a2200145a 44500
008 230405s2012 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aMASTERS & ELA
245 _aINTRODUCTION ENVIRONMENTAL ENGINEERING
260 _aNEW DELHI
_bPHI LEARNING PUB
_c2012
300 _aP.B,XII,708
650 _aCIVIL
690 _aCIVIL
906 _a3393
999 _c817588
_d817588