00337nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245003500101260003900136300000900175650001900184221030s9999    xx            000 0 und d  a8173170649  aEnglish  a105.23bCha  aC. D. Chawla 0aHigher Engineering Mathematics  bMcGraw  Hill Pub.aNew Delhic1993  a1160  aBE Mathematics