Schabowicz, Krzysztof, and Bozena Hola. “Mathematical‐neural Model for Assessing Productivity of Earthmoving Machinery”. Journal of Civil Engineering and Management 13, no. 1 (March 31, 2007): 47-54. Accessed November 15, 2024. https://transport.vgtu.lt/index.php/JCEM/article/view/7662.