LeBlond Geofferey T. dBase IV Manual de referencia./ Geofferey T. - Espaņa:McGRAW-HILL. - 1159p./30cm. ISBN: 84-7615-410-0 Subjects--Topical Terms: 1 MANUAL DEREFERENCIA. LC Class. No.: QA76.4 D3 L32 Dewey Class. No.: 001.642 502 02 L147d