Guilbaud, G. Th. 1912- What is cybernetics? / by G.T. Guilbaud ; translated by Valerie M acKay. - London : Heinemann, 1961. - viii, 126 p. : ill. ; 19 cm. - Contemporary science books. . Translation of La cybernâetique. Subjects--Topical Terms: Cybernetics.-------- Dewey Class. No.: 006