Torng, H. C. Switching circuits: theory and logic design/ H.C. Torng - Massachusetts: Addison - Wesley Pub, c1972 - 414 p.; 22 cm. Includes index ISBN: 0201075768 $ 15.95 Subjects--Topical Terms: Switching circuitsAlgebra, BooleanSwitching theory Dewey Class. No.: 621.381537