VOZDA, M.; HRVOLOVA, B.; KROHOVA, J.; SMONDRK, M.; PENHAKER, M. Computer-Based Vectorcardiograph for Research Purposes. Elektronika ir Elektrotechnika, [S. l.], v. 19, n. 9, p. 61-64, 2013. DOI: 10.5755/j01.eee.19.9.5650. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/5650. Acesso em: 7 jul. 2022.