00322nam a2200121 a 450000500170000008200180001710000200003524500420005526000250009730000280012263000290015063000210017920251203091526.0  a005.133DbKOL  aKolodney, David  aQuick guide to dbasebvisual approach  aNew DelhibBPBc1989  axxxi, 382p.c23 cm.bPB  adBase, Computer software  aComputer science