1. and , Crafting a Compiler. The Benjamin/Cummings Publishing Company, Inc., California, 1988.
2. and , ‘LEX—a lexical analyzer generator’, in UNIX Programmer's Manual, 2, AT&T Bell Laboratories, Murray Hill, NJ, 1975.
3. ‘YACC: yet another compiler-compiler’, in UNIX Programmer's Manual, 2, AT&T Bell Laboratories, Murray Hill, NJ, 1975.
4. ‘LLGen—an extended LL(1) parser generator’, Department of Mathematics and Computer Science, University of Amsterdam, February 1987.
5. and , ‘Le système Syntax—manuel d'utilisation et de mise en oeuvre’, inRIA, Rocquencourt, France, September 1988.