S. L. · Stefan Lempertz · Stefania Lamberti · Stephan Lamprecht · Stephan Leimberg · Stephen Lambert
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| OpenOffice 2.0 Writer | 978-2-915925-14-2 (2-915925-14-3) | 2005 |
| WordPress 2.x kompakt | 978-3-939316-33-6 (3-939316-33-4) | 2007 |
| WordPress kompakt | 978-2-915925-12-8 (2-915925-12-7) | 2005 |