«County-scale mapping of the invasion stage and invasiveness of major nonnative invasive plants in the Upper Midwest forestlands, USA» (2018) Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS), 10(2), сс. 68–79(12). доступно на: https://mcfns.com/index.php/Journal/article/view/10.13 (просмотрено: 30 октябрь 2026).