00374nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245007200100260004600172300000800218650001400226221030s9999    xx            000 0 und d  a8121920388  aEnglish  a105.23bMad  aR. L. Madan 0aOrganic Reactions Conversions Mechanisms & Problemscby R. L. Madan  bS.Chand & Co. Ltd, New DelhiaIndiac2001  a373  aChemistry