Fortescue, Michael D. A discourse production model for "twenty questions" Michael D. Fortescue - Amsterdam J. Benjamins 1980 - vii, 137 p. ill. 22 cm. - Pragmatics & beyond no. 2 . Subjects--Topical Terms: Discourse analysisSpeech acts (Linguistics)Twenty questions (Game) Dewey Class. No.: 793.7