@book{boole1853investigation, author = {Boole, George}, interhash = {d78d8dd7b5cb42f86e7cab4601301aed}, intrahash = {1c8c27c217ba7d78579b7d6297fe2e48}, note = {Also available from Dover, New York 1958, ISBN 0-486-60028-9.}, title = {Investigation of The Laws of Thought On Which Are Founded the Mathematical Theories of Logic and Probabilities}, url = {http://www.gutenberg.org/etext/15114}, year = 1853 }