Bell System Technical Journal volume XXXVII Number 5 september 1958; vol 37 no 5.
American Telephone & Telegraph Co, 1958; i-vi, pp 1091-1326, illus, photos, references.
American Telephone & Telegraph Co, 1958; i-vi, pp 1091-1326, illus, photos, references.
Greenwood Press NY & CT, 1990, first edition complete number line; 644 pages, index. 931326810X.
McGraw Hill Book Co, NY 1958; 525 pages, Index, Bibliography; The Rand Series.
Pergamon Press, London & NY 1963; 360 pages, appendix, diagrams, references.
Digital Press (DEC) 1980 stated first printing; 407 pages, Index, appendices; ISBN 0-932376-07-X.