Link-up.
On-Line Communications, Inc.
Learned Information (Firm)
Minneapolis, Minn. : On-Line Communications,
©1983-
Title from cover.
Imprint varies: 1983-Jan. 1985, Minneapolis, Minn., On-Line Communications; June 1985- Medford, N.J., Learned Information.
Format changed to a newspaper or "tabloid" format with vol. 2, issue 5.
"The newsmagazine for users of online services, CD-ROM, and the Internet," 
Vol. 1, no. 1 called also premier issue.
Data transmission systems
Information networks
Data transmission systems.
Information networks.
Information Today