00356nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001200079245004800091260003600139300000800175650001400183700001300197221030s9999    xx            000 0 und d  a8121921929  aEnglish  a105.23  aS. Jain 2aA Manual of Practical Engineering Chemistry  bS. Chand & Co.aNew Delhic2002  a162  aChemistry  aS. Sinha