Barton, G. Edward Computational complexity and natural language G. Edward Barton, Robert C. Berwick and Eric Sven Sistad - Cambridge Bradford Book 1987 - xii, 335p. ill. 24cm - Computational models of congnition and pereeption . Includes index ISBN: 0262022664 Subjects--Topical Terms: Computational complexity, Linguistics--Data processing Dewey Class. No.: 415 / BAR