IRE Transactions on Electronic Computers September 1956, Volume EC-5 number 3.
Professional Group on Electronic Computers, Instit Radio Engineers, 1956; pp 111-182 inclusive; Refs.
Professional Group on Electronic Computers, Instit Radio Engineers, 1956; pp 111-182 inclusive; Refs.
Notes on Applied Science No. 16, NPL, London 1957, 1961 second edition, fourth impression 1965; 170 pages, index, extensive Biblliography.