On-line computation and simulation: the OPS-3 system / Martin Greenberger... [et al.]. - Cambridge : M.I.T Press, 1965 - xi, 126 p. : ill. ; 25 cm. Includes bibliographical references (p. 120-121) and index. LCCN: 65-28876 Subjects--Topical Terms: Online processing Dewey Class. No.: 004