Leo M. Conrad

Understanding & Using Microcomputers (Microcomputing Series)  Steven M. Zimmerman Leo M. Conrad Paperback. West Publishing Company, 1999-01-28 ISBN 9780314935281     Understanding and Using Microcomputers (West's Microcomputing Series)  Steven M. Zimmerman Leo M. Conrad Paperback. West Publishing Company, 1991-04-28 ISBN 9780314761729     Practical Programs for the Epson Hx-20  Leo M Conrad Paperback. Hayden Book Co, 1984 ISBN 9780810422018     Osborne User's Guide: Applications and Programming  Steven M. Zimmerman Leo M. Conrad Larry Joel Goldstein Paperback. Aperture, 1983-12-12 ISBN 9780893032067