000 nam a22 4500
999 _c29186
_d29186
008 171120b xxu||||| |||| 00| 0 eng d
020 _a9788122424621
050 _aTA 170 .D4 2009
100 _aDe Kumar, Anil
245 _aEnvironmental engineering /
260 _aNew Delhi :
_bNew Age International Publishers,
_c2009
300 _axv, 191p. :
_bill. ;
_c23 cm.
500 _aIncludes index.
650 _aEnvironmental engineering.
700 _aDe Kumar,Arnab
942 _2lcc
_cBOOKS
_hTA 170 .D4 2009