「A software tool for accurate assessment of costs and CO2 emissions in wood transport using OpenStreetMap&#169」. Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS) 8, no. 1 (3月 30, 2016): 35–53(19). 参照 10月 26, 2026. https://tmp.mcfns.com/index.php/Journal/article/view/MCFNS.8.35.