000 00497nam a22001817a 4500
003 OSt
005 20201110095317.0
008 201110b ||||| |||| 00| 0 eng d
020 _a8121915473
040 _cATU
050 _aTD153
_b.D87 2010
100 _aDuggal, K. N.
_9222
245 _aElements Of Environmental Engineering
260 _aNew Delhi
_bS Chand & Company Ltd.
_c2010
300 _axvii,440p.:
_bill.;
504 _aIncludes Bibliographical references and index
942 _2lcc
_cBOOK
999 _c123
_d123