Operation Argument
Reference:
1. Davis, Richard G. “Carl A. Spaatz and the Air War in Europe.” Center for Air Force History, 1993.
2. Overy, Richard. “The Bombers and the Bombed: Allied Air War Over Europe 1940-1945.” Viking, 2014.
3. McFarland, Stephen L. “America’s Pursuit of Precision Bombing, 1910-1945.” Smithsonian Institution Press, 1995.
4. Murray, Williamson. “Luftwaffe: Strategy for Defeat, 1933-1945.” Air University Press, 1983.