Journal of the Assocation for Computing Machinery, 1960 volume 7 nos. 1 through 4, full year individual issues.
ACM NY 1960, 409 pages in 4 individual issues, diagrams.
ACM NY 1960, 409 pages in 4 individual issues, diagrams.
Bell Telephone Laboratories, september 1928, Reprint B-261, originally published in the Bell System Technical Journal, vol VI, July 1927; 12 pages, footnotes, some illustrations.
MacMillan Co, London & NY, Pergamon Press, 1962, first edition; 122 pages, Index, references,
various; Ventana Press, O'Reilly and Assoc., etc.