00347nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001500084245005600099260003500155300000900190650001400199221030s9999    xx            000 0 und d  a8121905399  aEnglish  a105.23bDar  aS. S. Dara 2aA Text Book of Engineering Chemistrycby S. S. Dara  bS. Chand & CoaNew Delhic2002  a1009  aChemistry