000 00427nam a2200157 4500
003 OSt
008 240224b |||||||| |||| 00| 0 eng d
100 _aDeswal,S.
245 _aA Basic Environmental Studies
260 _aDelhi
_bDhanpat Rai & Co. Pvt. Ltd Published
_c2004
300 _aWhite Colour; Paperback ;7.36pg.
650 _aEngineering
653 _aEnvironmental Studies
700 _aDeswal,A.
942 _2ddc
_cBK
999 _c2442
_d2442