000 00349nam a2200121Ia 4500
008 230706s9999 xx 000 0 und d
020 _a9788126141241
_qhbk
082 _a628
_bCHO.2
245 0 _aEncyclopaedia Of Environmental Science, Technology And Engineering ( 3 Vol.Set)
_cC.K.Choudhary
250 _a1st
260 _bAnmol
_c2009
942 _cENG
999 _c97255
_d97255