GUČAS, A. Basics of typology in psychophysical measurements. Psichologija, [S. l.], v. 9, p. 24–34, 1989. DOI: 10.15388/Psichol.1989.9.9080. Disponível em: https://www.journals.vu.lt/psichologija/article/view/9080. Acesso em: 6 dec. 2025.