Grupe, Fritz H. Microcomputer applications : using WordPerfect 5.1, Lotus 1-2-3/Version 2.2, and dBase III / Fritz H. Grupe, Kerry J. Chase. - [Dubuque, IA]: Wm C. Brown, [1992]. - 1 v. (various pagings) : ill. ; 28 cm. Includes index. ISBN: 0697133419 Subjects--Topical Terms: Application softwareWordPerfect (Computer programs)Lotus 1-2-3 (Computer program)dBASE IV(Computer program) Dewey Class. No.: 005.36