@misc{wahl_longterm_changes_2007, 
author={Wahl, B.},
title={Long-term changes of Lake Constance with special regard to the climate impact},
year={2007},
howpublished = {conference lecture: Montreal (CDN); 12.-18.08.2007},
note = {Online available at: \url{} (DOI). Wahl, B.: Long-term changes of Lake Constance with special regard to the climate impact. 30th Congress of the International Association of Theoretical and Applied Limnology. Montreal (CDN), 2007.}}