G. P. · Giovanni Petrone · Giovanni Petronio · Laura Valli Giovanna Pedrana
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Bernina line | 978-88-86711-92-0 (88-86711-92-1) | 2010 | Laura Valli |
| Bernina linie | 978-88-86711-93-7 (88-86711-93-X) | 2010 | " |