Systems behaviour / edited by Open Systems Group - 3rd ed - London ; New York : Harper & Row, 1981 - 332 pages : illustrations 26 cm - Open University set book . - Open University set book . Earlier eds. edited by John Beishon and Geoff Peters Includes bibliographical references and index ISBN: 0063182114 0063182122 (pbk):) LCCN: GB81-33971 Subjects--Topical Terms: System theory LC Class. No.: Q 295 / .S9 1981 Dewey Class. No.: 003