MICHAELIS, Jens; MÖNNICH, Uwe. Towards a Logical Description of Trees in Annotation Graphs. Journal for Language Technology and Computational Linguistics, [S. l.], v. 22, n. 2, p. 68–83, 2007. DOI: 10.21248/jlcl.22.2007.96. Disponível em: https://jlcl.org/article/view/96. Acesso em: 14 aug. 2024.