00328nam a2200109Ia 4500008004100000020001900041082001900060100001300079245007200092260003900164650001500203240817s9999    xx            000 0 und d  a 81-219-0864-7  a540.2462 D24,t  aDara S.S 2aA text book on experiments and calculation in engineering chemistry  c1997a New Delhib S.chand and Com  a Chemestry