The Bell System Technical Journal 1956 LOT of 2 individual issues, volume XXXV numbers 5, 6; September 1956, November 1956.
AT&T BSTJ 1956, pp. 991-1466 in 2 separate issues; diagrams, references.
AT&T BSTJ 1956, pp. 991-1466 in 2 separate issues; diagrams, references.
AT&T 1952 var. pagination, diagrams, references, photographs.
American Telephone & Telegraph Co, 1958; i-vi, pp 1091-1326, illus, photos, references.
American Telephone & Telegraph Co, march 1956; pp 249-534; illus, photographs, refs; charts foldouts.
IEEE 1970, pp 171-290 inclusive, double-column text, references, diagrams, photographs.
American Telephone & Telegraph, July 1954; pp 799-1022; illus, photos, refs; light blue paper wraps.