David Kaiser 2014, «History: Shut Up and Calculate!» Nature 505 (January 9): 153–155, doi:10.1038/505153a.
199
Paul Forman 1987, «Behind Quantum Electronics: National Security as Basis for Physical Research in the United States, 1940–1960», Historical Studies in the Physical and Biological Sciences 18 (1): 149–229. Исходная цифра: $1 миллион.