Lubini-Ferlin, Verena (2023). "Gewässerbiologisches Gutachten Trift- und Steiwasser" [Water biology report on Trift river and Stei river] (PDF) (in German). In collaboration with Remo Wüthrich and Emil Birnstiel (published 2023-12-18). Retrieved 2023-12-30.
"Rettet die Trift" (in German). Triftkomitee. 2022. Retrieved 1 December 2023.