RICHARDS, Marcel. Internal Pair-Merge: the Missing Mode of Movement. Catalan Journal of Linguistics, [S. l.], v. 8, n. 1, p. 55–73, 2009. DOI: 10.5565/rev/catjl.141. Disponível em: https://revistes.uab.cat/catjl/article/view/v8-richards. Acesso em: 7 oct. 2026.