00285nam a2200121Ia 4500008004100000041001200041082001600053100001700069245001800086260003600104300000900140650001400149221030s9999    xx            000 0 und d  aEnglish  a105.23bSax  aP. B. Saxena 0aIIT Chemistry  bKrishna PrakashanaMeerutc1995  a1684  aChemistry