00307nam a2200109Ia 4500008004100000020001600041082001500057100002000072245005900092260003800151300000800189190710s9999    xx            000 0 und d  a81-7029-682  a005.369 P4  aPerry, Lourie A 0aPC learning labs teach micro soft excel for windows 95  aNew DelhibBPB Publicationsc1996  a406