000 00499nam a22001697a 4500
999 _c10283
_d10283
008 210128b ||||| |||| 00| 0 eng d
020 _a9788131805060
040 _cDCL
050 _a628
082 _222
_a628
100 _aRaj,S.Amal
245 _aIntroduction to environmental science and technology
_bFor engineering and degree classes
_cDr.S.Amal Raj
260 _aNew Delhi
_bUNIVERSITY SCIENCE PRESS
_c2008
300 _a139p;
_bill;
_c25cm
500 _aInclude Reference
942 _2ddc
_cBK