WALAS, Krzysztof. Tactile Sensing for Ground Classification . Journal of Automation, Mobile Robotics and Intelligent Systems, [S. l.], v. 7, n. 2, p. 18–23, 2013. Disponível em: https://www.jamris.org/index.php/JAMRIS/article/view/259. Acesso em: 19 jan. 2025.