00335nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245004200100260003700142300000800179650001400187221030s9999    xx            000 0 und d  a8176842761  aEnglish  a105.23bPat  aD. Pathania 0aEngineering Chemistrycby D. Pathania  bSatya PrakashanaNew Delhic2004  a501  aChemistry