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2. Anzolin, E., Mason, J. & Nikolaeva, M. (2020, March 4). Canceled bookings, empty rooms: coronavirus takes toll on tourism. Reuters. https://www.reuters.com/article/us-health-coronavirus-travel/canceled-bookings-empty-rooms-coronavirus-takes-toll-on-tourism-idUSKBN20R2NX
3. The Austrian Parliament. (2020, March 15). Nationalrat beschließt umfassendes Maßnahmenpaket zur Bekämpfung der Ausbreitung des Coronavirus: Parlamentskorrespondenz Nr. 263 vom 15.03.2020. https://www.parlament.gv.at/PAKT/PR/JAHR_2020/PK0263/index.shtml
4. Comparative studies of risk perception: a review of twenty years of research