00251nam a2200097Ia 4500008004100000100002100041245002600062260004500088300000800133650001200141191201s2008    xx            000 0 und d  aSRIVASTAVA, H.C. 0aEngineering Chemistry  aN. delhibPragati Prakashan Meerutc2008  a288  aApplied