Luy, Marc, Christian Wegner-Siegmundt, Angela Wiedemann, and Jeroen Spijker. “Life Expectancy by Education, Income and Occupation in Germany: Estimations Using the Longitudinal Survival Method”. Comparative Population Studies 40, no. 4 (December 14, 2015). Accessed May 17, 2022. https://www.comparativepopulationstudies.de/index.php/CPoS/article/view/203.