Institute of Electrical and Electronics Engineers,Annual Symposium on Switching and Automata Theory.Annual Symposium on Switching and Automata Theory ( 12th : 1971 )：IEEE Conference record of 1971 12th Annual Symposium on Switching and Automata Theory.IEEE,1971.
Annual Symposium on Switching and Automata Theory ( 12th : 1971 )：IEEE Conference record of 1971 12th Annual Symposium on Switching and Automata Theory
Institute of Electrical and Electronics Engineers,Annual Symposium on Switching and Automata Theory.IEEE,1971.
