000 00501nam a2200181Ia 4500
008 170901s1989 xx 000 0 und d
020 _a0074518194
082 _a620.8
_bP14E
100 _aPandey, G. N
245 0 _aEnvironmental Engineering
260 _aNew Delhi
_bTata McGraw-Hill Publishing Co.Ltd.
_c1989
300 _a455
650 _aEngineering and allied operations
650 _aTechnology (Applied sciences)
653 _aBiotechnology
700 _aCarney, G.C
942 _2ddc
_cBK
999 _c11420
_d11420