HELLWIG, Harold. Problems and Solutions in Parsing. CALICO Journal, [S. l.], v. 5, n. 1, p. 49–64, 2013. DOI: 10.1558/cj.v5i1.49-64. Disponível em: https://journal.equinoxpub.com/Calico/article/view/1971.. Acesso em: 16 jul. 2024.