Kohlschutter, Andreas V., and Gunther Bachler. “How to Establish an Early Warning System: Concept and First Steps in Switzerland”. Refuge: Canada’s Journal on Refugees 16, no. 1 (May 1, 1997): 16–18. Accessed April 28, 2024. https://refuge.journals.yorku.ca/index.php/refuge/article/view/21908.