1. The Design and Analysis of Computer Algorithms;Aho,1974
2. The Theory of Parsing, Translation and Compiling, Vol. I: Parsing;Aho,1972
3. Automatentheorie;Brauer,1984
4. An n log n algorithm for minimizing the states in a finite automaton;Hopcroft,1971
5. Introduction to Automata Theory, Languages and Computation;Hopcroft,1979