PIĄTKOWSKI, Tomasz; SEMPRUCH, Janusz. Numerical research of positioning process of unit loads by system of oblique friction force fields. Archives of Transport, Warsaw, Poland, v. 22, n. 3, p. 337–347, 2010. DOI: 10.2478/v10174-010-0020-3. Disponível em: https://archivesoftransport.com/index.php/aot/article/view/92.. Acesso em: 6 apr. 2025.