PALIGA, S. Types of mazes. Linguistica, [S. l.], v. 29, n. 1, p. 57–70, 1989. DOI: 10.4312/linguistica.29.1.57-70. Disponível em: https://revije.ff.uni-lj.si/linguistica/article/view/4577. Acesso em: 3 dec. 2021.