000 00327nam a22001337a 4500
999 _c942
_d942
020 _a9789332549760
082 _a628.04
100 _aGilbert M Masters & Wendell P Ela
245 _aIntroduction to environmental engineering and science
250 _a3rd
260 _aNew Delhi
_bPearson
_c2017
300 _a692
942 _cBK
_02