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1.

雑誌
雑誌
1. AT&T technology : products, systems and services
American Telephone and Telegraph Company
出版情報: New York, N.Y. : AT & T, c1986-1995
巻次(年次): Vol. 1. no. 1 (1986)-v. 10, no. 4 (winter 1995/1996)
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2.

雑誌
雑誌
2. Electrical communication. English ed
Alcatel Alsthom ; Alcatel N.V
出版情報: Paris : Alcatel Alsthom, c1992-[199-]
巻次(年次): 1992, 4th quarter ([Sept.] 1992)-
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3.

雑誌
雑誌
3. AT & T Bell Laboratories record
出版情報: Murray Hill, N.J. : Bell Telephone Laboratories, c1983-1986
巻次(年次): Vol. 61, no. 7 (Sept. 1983)-v. 64, no. 2 (Mar. 1986)
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