Velocity [elektronický zdroj] : speed with direction : the professional career of Gen. Jerome F. O'Malley / Aloysius G. Casey and Patrick A. Casey..    Maxwell Air Force Base, Ala. : Air University Press, 2007. . 1 online resource (x, 286 p.) ill., map., ports. . ISBN 9781435622050 (electronic bk.). ISBN 1435622057 (electronic bk.)