| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Computer-Based Diagnostics and Systematic Analysis of Knowledge | 978-1-4419-5661-3 (1-4419-5661-1) | 2010 | Dirk Ifenthaler · Norbert M. Seel |
| Understanding Models for Learning and Instruction:: Essays in Honor of Norbert M. Seel | 978-0-387-76897-7 (0-387-76897-1) | 2008 | Dirk Ifenthaler · J. Michael Spector |