Author: Francis A. Williams
Bemer, Robert W., Jr., H. J. Smith, Williams, Francis A. (1961): Design of an improved transmission/data processing code. In Communications of the ACM, 4 (5) pp. 212-217. https://dl.acm.org/doi/10.1145/366532.366538
Williams, Francis A. (1959): Handling Identifiers as Internal Symbols in Language Processors. In Communications of the ACM, 2 (6) pp. 21-24.