HRABOVSKÝ, L. CROSS-SECTIONAL AREA OF THE BELT CONVEYOR WITH A THREE-IDLER SET. Perner’s Contacts, [S. l.], v. 6, n. 2, p. 62–67, 2011. Disponível em: https://pernerscontacts.upce.cz/index.php/perner/article/view/828. Acesso em: 7 kvě. 2024.