| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Symbolae Osloenses LXIV | 978-82-00-02812-3 (82-00-02812-7) | 1989 | T. Hï¿1/2gg · K. Kleve · Egil Kraggerud · H. Mï¿1/2rland |
| Symbolae Osloenses LXV | 978-82-00-02994-6 (82-00-02994-8) | 1990 | T. Hï¿1/2gg · K. Kleve · Egil Kraggerud |