Emery, Glyn. Elements of computer science / [by] Glyn Emery, with additional material by David Bale. - 2nd ed. / prepared with the assistance of A.R. Hunter. - London : Pitman, c1979. - [8], 232 p. : ill. ; 25 cm. Includes Bibliography: p. 229. and index ISBN: 0273013327 (pbk.) : LCCN: 81452399 Nat. Bib. No.: GB80-14108 Subjects--Topical Terms: Computer science. LC Class. No.: QA76 / .Em3 1979 Dewey Class. No.: 001.64