| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Change and stability in the altitude of the birch tree-limit in the southern Swedish Scandes 1915-1975 | 978-91-7210-065-7 (91-7210-065-6) | 1979 |
| Change and stability in the altitude of the birch tree-limit in the southern Swedish Scandes, 1915-1975 | 978-91-7210-465-5 (91-7210-465-1) | 1979 |