a symbolic analysis of relay and switching circuits / by claude elwood shannon, b.s., university of michigan, 1936. in partial fullfillment of the requirements for the degree of master of science, from the MIT, 1940 | mit lib

an algebra for theoretical genetics, b.s., university of michigan, 1936 submitted in partial fullfillment of the requirements for the degree of doctor of philosophy, dept. of mathematics, mit april 15. 1940 | mit lib