| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Practical Programs for Your Pocket Computer for the Trs-80 Pc-1 and Sharp 1211 | 978-O-697-O9975-4 (O-697-O9975-X) | 1983 | Leo Conrad |
Stefan Zimmermann · Steffen Zimmermann · Stephan Zimmermann · Steven M. Zimmerman