Kullman, Leif, and Lisa Öberg. “A Modern ‘Micro-Ice Age’: Implications for Treeline Ecotonal Climate Change Ecology”. European Journal of Applied Sciences 13, no. 05 (October 19, 2025): 374–409. Accessed March 31, 2026. https://journals.scholarpublishing.org/index.php/AIVP/article/view/19483.