SHIEBER, S. M. Bimorphisms and synchronous grammars. Journal of Language Modelling, [S. l.], v. 2, n. 1, p. 51–104, 2014. DOI: 10.15398/jlm.v2i1.84. Disponível em: https://jlm.ipipan.waw.pl/index.php/JLM/article/view/84. Acesso em: 27 jan. 2023.