Hollingdale, S. H. Electronic computers / [by] S. H. Hollingdale and G. C. Tootill. - Revised ed. - Harmondsworth / Penguin, 1970. - 377 p., illus. 19 cm. - Pelican books . Bibliography: p. 362-[364]. ISBN: 0140205241 Subjects--Topical Terms: Computers. Dewey Class. No.: 651.8 / HOE