PRACHT, F. Example of a New Design for Industrial Luminaires. Elektronika ir Elektrotechnika, [S. l.], v. 66, n. 2, p. 45–49, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10594.. Acesso em: 8 feb. 2026.