Summer, Charles E. The managerial mind : science and theory in policy decisions / Charles E. Summer and]Jeremiah J. O'Connell ; with the collaboration of Boris Yavitz. - Homewood : R. D. Irwin, c 1964. - xiii, 760 p. : ill. ; 24 cm. Includes index. Bibliographical footnotes. 331 331 Subjects--Topical Terms: Management--Case studies. Dewey Class. No.: 658 / S64m