SVOBODA, E. K učebnici MECHANIKA pro gymnázia. Matematika–Fyzika–Informatika, [S. l.], v. 23, n. 2, p. 109–116, 2014. Disponível em: http://158.194.80.143/index.php/mfi/article/view/122. Acesso em: 13 led. 2025.