1. On the relationship between indexed grammar and logic programs;Bertsch;J. Logic Programming,1994
2. Relating logic programs and attribute grammars;Deransart;J. Logic Programming,1985
3. What kind of grammars are logic programs?;Deransart,1990
4. Introduction to Automata Theory, Languages, and Computation, Addison-Wesley Series in Computer Science;Hopcroft,1979
5. Foundation of Logic Programming;Lloyd,1987