Bush, Vannevar, Operational circuit analysis, by Vannevar Bush ... with an appendix by Norbert Wiener ... - 1st ed. Second printing, corrected. - New York, London, J. Wiley & Sons, Inc.; Chapman & Hall, Limited, 1937. - 2 p. l., iii-x, 392 p. illus., diagrs. 20 cm. Subjects--Topical Terms: Calculus, Operational.Electric circuits. Dewey Class. No.: 621.31921 / BUS