HENGEVELD, Kees. Meaningless words. Alfinge. Revista de Filología, [S. l.], v. 9, p. 171–186, 1997. DOI: 10.21071/arf.v9i.7162. Disponível em: https://journals.uco.es/alfinge/article/view/7162. Acesso em: 6 dic. 2025.