Bathke, Manfred. “Analysis of the Impacts of Different Agrarian Policy Scenarios on the Profitability of Grassland Management in Water Protection Areas by Use of a Farm Planning Programme”. German Journal of Agricultural Economics 52, no. 4 (April 29, 2003). Accessed November 23, 2024. https://www.tib-op.org/ojs/index.php/gjae/article/view/1551.