Annina Sorg
Sorg, A., Bugmann, H., Bollschweiler, M., Stoffel, M. (2010): Debris-flow activity along a torrent in the Swiss Alps: Minimum frequency of events and implications for forest dynamics. Dendrochronologia 28: 215–223.
Stoffel, M., Bollschweiler, M., Widmer, S., Sorg, A. (2010): Spatio-temporal variability in debris-flow activity: a tree-ring study at Geisstriftbach (Swiss Alps) extending back to AD 1736. Swiss Journal of Geosciences 103: 283–292.