000 00360nam a2200121Ia 4500
008 160316s2009 xxu||||| |||| 00| 0 eng d
020 _a9788120336919
100 _aMasters, Gilbert M.
245 _aIntroduction to environmental engineering and science
_b/ Masters, Gilbert M.
250 _a3rd.
260 _aNew Delhi
_bPHI Learning
_c2009
300 _axii,708p.
999 _c74245
_d74245