Vanella, Patrizio, Miguel Rodriguez Gonzalez, and Christina B. Wilke. “Population Ageing and Future Demand for Old-Age and Disability Pensions in Germany – A Probabilistic Approach”. Comparative Population Studies 47 (March 22, 2022). Accessed November 21, 2024. https://comparativepopulationstudies.de/index.php/CPoS/article/view/442.