Kühne, Simon, Martin Kroh, Stefan Liebig, and Sabine Zinn. “The Need for Household Panel Surveys in Times of Crisis: The Case of SOEP-CoV”. Survey Research Methods 14, no. 2 (June 2, 2020): 195–203. Accessed December 5, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/7748.