Viglia, Silvio, Pier Paolo Franzese, Amalia Zucaro, Kirsty L. Blackstock, Keith B. Matthews, and Sergio Ulgiati. “Resource Use and Biophysical Constraints of Scottish Agriculture”. Ecological Questions 15, no. 1 (October 30, 2013): 57–69. Accessed July 3, 2025. https://apcz.umk.pl/EQ/article/view/v10090-011-0036-1.