A Bibliographic Guide to the History of Computing, Computers, and the Information Processing Industry.
Greenwood Press NY & CT, 1990, first edition complete number line; 644 pages, index. 931326810X.
Greenwood Press NY & CT, 1990, first edition complete number line; 644 pages, index. 931326810X.
The Institute of Radio Engineers, September 1958,pp 1571-1682 inclusive; Illustrations, Refrences.
Notes on Applied Science No. 16, NPL, London 1957, 1961 second edition, fourth impression 1965; 170 pages, index, extensive Biblliography.