Communication and Electronics full year 6 issues 1955, includes number 16, 17, 18, 19, 20, 21, January - November.
AIEE 1955, published bimonthy.
AIEE 1955, published bimonthy.
AT&T BSTJ 1956, pp. 991-1466 in 2 separate issues; diagrams, references.
American Telephone & Telegraph Co, 1958; i-vi, pp 1091-1326, illus, photos, references.