000 00332nam a2200133Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
100 _aS. Chawla
245 2 _aA Text Book of Engineering Chemistry
_cby S. Chawla
260 _bDhanpat Rai
_aDelhi
_c2008
300 _a1748
650 _aChemistry
942 _cBK
999 _c13935
_d13935