00328nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245003600100260003600136300000800172650001400180221030s9999    xx            000 0 und d  a8185842760  aEnglish  a105.23bGur  aGurdeep Raj 0aPhoto Chemistrycby Gurdeep Raj  bKrishan PrakashanaMeerutc1997  a226  aChemistry