00349cam a2200169   450000500170000024500330001702000150005010000160006504400130008125000090009404100080010330000190011150000050013083000050013526000210014008200180016120260711133912.0  aIntroducción al dBase IIb  a9684221908  aBarnes, Lan  aMéxico  a1ª   aspa  a 389 p. 23 cm.  a  v  aMéxicobc1987  a005.74bB376i