000 00311nam a22001337a 4500
999 _c2422
_d2422
020 _a981265268
082 _a628.04
100 _aP Aarne Vesilind & Susan M Morgan
245 _aIntroduction to environmental engineering
250 _a2nd
260 _aNew Delhi
_bThomson
_c2004
300 _a479
942 _cBK