| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Collaborative Learning Through Computer Conferencing: The Najaden Papers | 978-3-540-55755-5 (3-540-55755-5) | 1992 |
| Collaborative Learning Through Computer Conferencing: The Najaden Papers (Nato ASI Series (closed) / Nato ASI Subseries F: (closed)) | 978-3-642-77686-1 (3-642-77686-8) | 2012 |