1. Natural Language Understanding;Allen,1995
2. Tense and aspect;Binnick,2009
3. An ontological approach to the representational lexicon in Functional Discourse Grammar;Butler;Lang. Sci.,2012
4. A reappraisal of the functional enterprise, with particular reference to Functional Discourse Grammar;Butler;Rev. Canar. Estud. Ingleses,2013
5. Exploring Functional-Cognitive Space;Butler,2014