Greenberg, Myron A. and Jones, Matthew
"The Official History of the UK Strategic Nuclear Deterrent, vol. 1, From the V-Bomber Era to the Arrival of Polaris, 1945–1964, and vol. 2, The Labour Government and the Polaris Programme, 1964–1970,"
Naval War College Review: Vol. 71
, Article 15.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol71/iss3/15