Condon, Robert J., 1934- Data processing with applications / Robert J. Condon. - 2d ed. - Reston, Va. : Reston Pub. Co., c1981. - xiv, 447 p. : ill; 24 cm. Includes index. ISBN: 083591254X Subjects--Topical Terms: Business--Data processing. Dewey Class. No.: 001.6 / CON