00359cam a2200169   450000500170000024500390001702000150005610000210007104400130009225000080010504100080011330000230012150000050014483000050014926000180015408200170017220260711133908.0  aBasic: aplicaciones comerciales.b  a9580400024  aHergert, Douglas  aColombia  a1ª  aspa  a227 p. il.; 24 cm.  a  v  abNormac1982  a005.1bH545b