00333nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001400079245002600093250000800119260003800127300000800165650001400173221030s9999    xx            000 0 und d  a8185749892  aEnglish  a105.23  aS. Rattan 0aEngineering Chemistry  a4th  bS.K. Kataria  & SonsaDelhic2008  a890  aChemistry