The Bell System technical journal.
American Telephone and Telegraph Company.
New York, N.Y. : American Telephone and Telegraph Co.,
1922-1983.
Applied science and technology index
Engineering index
Industrial arts index
Microfilm.
Vols. 1-10, 1922-31. 1 v.; Vols. 11-20, 1932-41. 1 v.; Vols. 21- 30, 1942-51. 1 v.
Telecommunication
Electric engineering
Current periodical film series
AT&T Bell Laboratories technical journal