Malmström, Anna, and Tryggve Persson. “Responses of Collembola and Protura to Tree Girdling – Some Support for Ectomycorrhizal Feeding”. Soil Organisms 83, no. 2 (August 1, 2011): 279–285. Accessed February 8, 2026. https://soil-organisms.org/SO/article/view/251.