1982
The Design of an Integrated Support Software System.
Proceedings of the SIGPLAN '82 Symposium on Compiler Construction, 1982

1976
A Method for Inferring Context-free Grammars
Inf. Control., June, 1976

Some Steps Towards a Better Pascal.
Comput. Lang., 1976

1972
An Experimental Comparison of the Efficiency of Parsing Techniques.
PhD thesis, 1972