00318nam a2200133Ia 4500008004100000020001500041041001200056082001100068100001700079245002600096260003600122300000900158650001700167221030s9999    xx            000 0 und d  a8187224045  aEnglish  a105.23  aB. K. Sharma 0aEngineering Chemistry  bKrishna PrakashanaMeerutc2002  a1316  aBB Chemistry