Unrooted trees revisited: Topology and poetic data. - Michel Juillard; Xuan Luong (Comput. Humanit., 1989)

On Consensus between Tree-Representations of Linguistic Data. - Michel Juillard (Lit. Linguistic Comput., 2001)

Trees and After: The Concept of Text Topology. Some Applications to Verb-Form Distributions in Language Corpora. - Xuan Luong; Michel Juillard; Sylvie Mellet; Dominique Longrée (Lit. Linguistic Comput., 2007)