000 00445nam a22001817a 4500
999 _c4742
_d4742
003 BML
020 _a9789339204037
082 _a628
_bDAV
100 _aDavis, Mackenzie Leo
245 _aIntroduction to environmental engineering
250 _a5th
260 _aNew Delhi
_bMcGraw Hill
_c2014
300 _a1040p.
650 _aEnvironmental engineering
650 _aSanitary engineering
700 _aCornwell, David A.
942 _2ddc
_cBK