CURRIE,Ed The essence of Z essence of computing - xi, 187 pages ; 23 cm - essence of computing . references and glossary index ISBN: 0861715330 9780861715336 LCCN: 2007036425 Subjects--Topical Terms: essence of computing LC Class. No.: BQ9265.4 / .H3713 2008 Dewey Class. No.: 004.1