000 00494nam a22001817a 4500
003 NUST - PNEC
005 20170116181049.0
008 150928b xxu||||| |||| 00| 0 eng d
020 _a9780073122359
040 _cLIBRARY
082 _a628 DAV
100 _911790
_a Davis, Mackenzie Leo
245 _aPrinciples of environmental engineering and science
_cMackenzie Leo Davis
250 _a2nd ed.
260 _cc2009
650 _911791
_aEnvironmental engineering
_xME
942 _2ddc
_cBK
999 _c68317
_d68317