000			00392nam a2200133Ia 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.
700			_aEla, Wendell P.
999			_c74242 _d74242