S. H. Washburn

Relay “trees” and symmetric circuits

S. H. Washburn, 1949, Electrical Engineering.

An application of Boolean algebra to the design of electronic switching circuits

S. H. Washburn, 1953, Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics.

Boolean algebra in electronic circuit design

S. H. Washburn, 1954, Electrical Engineering.