VALCHKOVA, N.; ZAHARIEV, R.; ANGELOV, G.; PAUNSKI, Y. Methodology for Design of Hydrogen Robot for Medical Needs. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 77, n. 8, p. 1176–1184, 2024. DOI: 10.7546/CRABS.2024.08.08. Disponível em: https://www.proceedings.bas.bg/index.php/cr/article/view/592. Acesso em: 21 oct. 2026.