Edward L. Keenan


, 1988, Natural language motivations for extending categorial grammar, in R. T. Oehrle, E. Bach & D. Wheeler (eds.), Categorial grammars and natural language structures, Dordrecht, Springer, pp. 265-295.

, 1979a, 'The correspondence of two corners', Studies in East European Thought 19 (4), 275-283.