The Bell System Technical Journal volume XXXVII 1958 3 individual issues May, July, November; numbers 3, 4, 6.
AT&T BSTJ 1958, diagrams, references; three individual issues.
AT&T BSTJ 1958, diagrams, references; three individual issues.
American Telephone & Telegraph Co, november 1958, pp 1327-1672; illus, photographs, references.
Cornell Univ. 1973, Praeger Publishers NY 1974; 242 pages, some diagrams, index, appendices.
McGraw Hill Book Co., NY 1962; 752 pages, index, illustrations.