000 00295nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
082 _bRAO
_a628.5
100 _aRao, C S
245 0 _aEnvironmental pollution control engineering
260 _bWiley Estern
_c1992
300 _a431
942 _2ddc
999 _c26058
_d26058