000 00306nam a22001337a 4500
999 _c2609
_d2609
020 _a9788131207291
082 _a628
100 _aRuth F Weiner & Robin Matthews
245 _aEnvironmental engineering
250 _a4th
260 _aNew Delhi
_bButterworth Heinemann
_c2003
300 _a484
942 _cBK