«The 2009 Southern Forestry and Natural Resources GIS Conference». Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS) 2, no. 2 (agosto 10, 2010): Pages: 135–137 (3). Accedido octubre 30, 2026. https://tmp.mcfns.com/index.php/Journal/article/view/MCFNS.2-135.