Hammel, Kristine, and Thorsten Arnold. “Understanding the Loss of Traditional Agricultural Systems: A Case Study of Orchard Meadows in Germany”. Journal of Agriculture, Food Systems, and Community Development 2, no. 4 (September 20, 2012): 119–136. Accessed August 14, 2022. https://foodsystemsjournal.org/index.php/fsj/article/view/128.