000 00428nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a74517082
084 _a628.1 K1
100 _a"Kamala, A"
245 0 _aEnvironmental Engineering
250 _a\\198800ENGGPCX
260 _aA&A Publishers
260 _b1988
260 _cNew Delhi
300 _a278 p
500 _aincludes index and biblioraphy
942 _cBK
999 _c65090
_d65090