| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Productive Learning - An Educational Opportunity for Young People in Europe | 978-3-928878-38-8 (3-928878-38-7) | 1996 | Ingrid Böhm · Jens Schneider |
| Teoria literaria griega: 035 | 978-84-249-1457-8 (84-249-1457-0) | 1991 | |
J. A. · Josep Alzamora · Joseph Alcamo · Joseph Alexander · Joseph Allison