Ideas, concepts, doctrine. Volume II [elektronický zdroj] : basic thinking in the United States Air Force, 1961-1984 / by Robert Frank Futrell..    Maxwell Air Force Base, Ala. : Air University Press, 1989. . 1 online resource (xiii, 789 p.) ill. . ISBN 9781429477871 (electronic bk.). ISBN 1429477873 (electronic bk.)