00330nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245004100100260003300141300000800174650001400182221030s9999    xx            000 0 und d  a8185015805  aEnglish  a105.23bMah  aB. H. Mahan 0aUniversity Chemistrycby B. H. Mahan  bNarosa Pub.aNew Delhic1998  a896  aChemistry