Johnson, W. L.; Porter, J. H.; Ackley, S. I.; Ross, D. T. (1968). «Automatic generation of efficient lexical processors using finite state techniques». Comm ACM. 11 (12): 805–813. doi:10.1145/364175.364185
2008. http://books.ifmo.ru/NTV/NTV_53.pdf (rus). «Automata-based programming». Bulletin of St Petersburg State University of Information Technologies, Mechanics and Optics. 53