Kellermann, Konrad, Amanda Sahrbacher, Christoph Sahrbacher, and Alfons Balmann. “Consequences of a Progressive Reduction of Direct Payments in Germany: Paving the Way for Post-2013?”. German Journal of Agricultural Economics 58, no. 4 (May 26, 2009). Accessed November 25, 2024. https://www.tib-op.org/ojs/index.php/gjae/article/view/1751.