Levinson, S. C. (1981). Some pre-observations on the modelling of dialogue. Discourse Processes,4(2), 93-116. doi:10.1080/01638538109544510.
Focuses on the pre-observations on the modeling of dialogue. Assumptions that underlie speech act models of dialogue; Identifiability of utterance units corresponding to unit acts; Capacity of the models to model the actual properties of natural dialogue.