Uehleke, Reinhard, Jeanette Klink-Lehmann, and Silke Hüttel. “The Effect of Husbandry System Information on Consumer Willingness to Pay for Dairy Products From Cow-Calf-Contact Systems”. German Journal of Agricultural Economics 74 (May 28, 2025). Accessed June 10, 2025. https://www.tib-op.org/ojs/index.php/gjae/article/view/1268.