Kahlenberg, G. (1988). Datenhandbuch, Band II: State, Economy and Society in WesternEurope 1915-1975. A Data Handbook, Band II: The Growth of lndustrial Societies and Capitalist Economies. Wirtschaft Und Gesellschaft, 14(1), 173-174. https://journals.akwien.at/index.php/wug/article/view/1201