00383nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001500079245006900094260003600163300000800199650001400207700001600221221030s9999    xx            000 0 und d  a8121903599  aEnglish  a105.23  aS. S. Dara 2aA Text Book of Engineering Chemistrycby S. S. Dara, S. S. Umare  bS. Chand & Co.aNew Delhic2010  a972  aChemistry  aS. S. Umare