000 00364nam a2200145Ia 4500
020 _a8120308816
082 _a620.8
_bMAS
100 _aMasters, Gilbert M.
245 _aIntroduction to environmental engineering and science
260 _aNew Delhi
_bPHI
_c1991
300 _axvi,460p.
650 _aApplied Sc.
650 _aEnvironmental Science
044 _aIndia
999 _c5899
_d5899