Koizumi, Hiroshi, Markku Kontturi, Shigeru Mariko, and Timo Mela. “Carbon Dioxide Evolution from Snow-Covered Agricultural Ecosystems in Finland”. Agricultural and Food Science 5, no. 4 (July 1, 1996): 421–430. Accessed April 26, 2024. https://journal.fi/afs/article/view/72754.