ČOP, B. Beiträge zur indogermanischen wortforschung IV. Linguistica, [S. l.], v. 3, n. 2, p. 49–68, 1958. DOI: 10.4312/linguistica.3.2.49-68. Disponível em: https://journals.uni-lj.si/linguistica/article/view/3862. Acesso em: 26 mar. 2023.