Testing the Principle of Orthogonality in Language Design. - Edward M. Bowden; Sarah A. Douglas; Cathryn A. Stanford (Hum. Comput. Interact., 1989)

Testing the Principle of Orthogonality in Language Design (Abstract Only). - Edward M. Bowden; Sarah A. Douglas; Cathryn A. Stanford (ACM SIGCHI Bull., 1989)