Hursch, Jack L. dBase IV essentials / Jack L. Hursch and Carolyn J. Hursch. - 1st ed. - Delhi : BPB, 1988. - xii, 304 p. : ill. ; 25 cm. Includes index. ISBN: 0830696164 : Subjects--Topical Terms: Database management.MCE Dewey Class. No.: 005.7565 / HUR