Juostas, Antanas, and Algirdas Janulevičius. “Investigation of Tractor Engine Power and Economical Working Conditions Utilization During Transport Operation”. Transport 23, no. 1 (March 31, 2008): 37-43. Accessed November 23, 2024. https://btp.vgtu.lt/index.php/Transport/article/view/6631.