GATALO, Ratko; HODOLIČ, Janko; BOROJEV, Ljubomir; ZELJKOVIĆ, Milan; KLARIĆ, Rade; ZELJKOVIĆ, Željko. SAPOR-s system for automatic programming of NC machines and systems. Journal of Production Engineering, [S. l.], v. 10, n. 10, p. 13–33, 1993. DOI: 10.24867/JPE-1993-10-013. Disponível em: https://sp.ftn.uns.ac.rs/index.php/jpe/article/view/896. Acesso em: 1 jun. 2025.