00322nam a2200133Ia 4500008004100000041000800041082001300049100001500062245003800077260002400115300000800139365001600147700002500163230718s9999 xx 000 0 und d aeng a540bGOY aGoyal R.N. aTextbook Of Engineering Chemistry c2009bAne Books pub a373 cRs.b250.00 aGoyal R.N. & Goel H.