1. A. V. Aho and T. G. Peterson, ?A Minimum Distance Error-Correcting Parser for Context-Free Languages,?SIAM Journal of Computing,1 (4):305?312 (December, 1972).
2. D. T. Barnard, ?Automatic Generation of Syntax-Repairing and Paragraphing Parsers,? Computer Systems Research Group, University of Toronto, Technical Report CSRG-52 (April, 1975), pp. 1?132.
3. D. T. Barnard, ?Hierarchic Syntax Error Repair,? Ph.D. Thesis, Department of Computer Science, University of Toronto (March, 1981), pp. 1?253.
4. D. T. Barnard, ?Syntax Error Handling Techniques,? Technical Report 81-125, Department of Computing and Information Science, Queen's University (Canada), pp. 1?24.
5. D. T. Barnard, H. Boldt, and H. Mankovitz, ?Interactive Graphics for Compiler Specification,?Proceedings CIPS Conference, Canadian Information Processing Society (June 1981), pp. 1?5.