Additional Activities
| Type | Title | Date | Year | Place | Published |
| Conference | Biotopkartierung | 13.7.-16.7. | 1987 | Graz | |
| Excursion | Hornbeam forests of Friuli, Slovenia and Northern Croatia | 1982 | |||
| Excursion | Plenterwald | 29.8.-3.9. | 1977 | Switzerland | |
| Colloquium | Flora, vegetation and ecology of Central European raised bogs and excursion to the Slovenian fells | 25.7.-28.7. | 1977 | ||
| Conference | Vegetation History | 9.4. – 12.4. | 1969 | Vienna | Releases the Eastern Alps-Dinaric phytosociological study group, No. 10/2, International Association for Vegetation Science, Eastern Alps-Dinaric section, Vienna, 1970 |