1. Test Plan Generation Using Formal Grammars;Bauer,1979
2. Natural language communication with computers;Colmerauer,1978
3. Test Grammars: A Method for Generating Program Test Data;Duncan,1978
4. Using Attributed Grammars to Test Designs and Implementations;Duncan,1981
5. A. G. Duncan, J. S. Hutchison and R. L. Probert, Formal specification of requirements, designs, and tests (in preparation).