00358nam a22001217a 450000500170000002000220001703500130003903700130005210000270006524500830009226000360017530000250021120120211145949.0  a155958212Xc00.00  aA-821621  aDPLbENG  aBuren, Christopher Van  aExcel 4 for windows :bEverything you need to know /cby Christopher Van Buren  aRocklinbPrima Publishingc1993  axxvi, 565p.c22 cms.