「County-scale mapping of the invasion stage and invasiveness of major nonnative invasive plants in the Upper Midwest forestlands, USA」. Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS), vol. 10, no. 2, 2018年10月, pp. 68-79(12), https://tmp.mcfns.com/index.php/Journal/article/view/10.13.