000 00319nam a22001337a 4500
020 _a9788120336919
100 _aGilbert M Masters
245 _aIntroduction to Environmental Engineering and Science
250 _a3rd
260 _aNew Delhi
_bPHI
_c2010
300 _axii+708
700 _aWendell P Ela
942 _cBK
999 _c58356
_d58356