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Albert, David; Hayes, Richard (January 2006). "Understanding Command and Control". Defense Technical Information Center. Archived from the original on 5 December 2021. Retrieved 29 April 2019.
Lewis, George N. (2017). Ballistic missile defense effectiveness. Nuclear Weapons and Related Security Issues. AIP Conference Proceedings. Vol. 1898. Washington, DC, USA. p. 030007. Bibcode:2017AIPC.1898c0007L. doi:10.1063/1.5009222.
John W. Finney (25 November 1975). "Safeguard ABM System to Shut Down". New York Times. "the utility of Safeguard to protect Minuteman will be essentially nullified in the future"
Albert, David; Hayes, Richard (January 2006). "Understanding Command and Control". Defense Technical Information Center. Archived from the original on 5 December 2021. Retrieved 29 April 2019.
Yanarella, Ernest J. (2010). The missile defense controversy : technology in search of a mission. Lexington: University Press of Kentucky. ISBN9780813128092. OCLC775301998.