References
- Physics World (Sept 1998)
- IEE News (Sept 1998)
- The Times (20 July 1998)
- Daily Telegraph (13 Aug 1998)
- R. Clayton and J. Algar, The GEC Research Laboratories, 1919–1984 (1989)
- C. Foxell, "Clayton, Sir Robert James (1915–1998)," Oxford Dictionary of National Biography, Oxford University Press, 2004.
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