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References
- ↑ Norberg, Arthur L. "Recent Monograph Publications and Research in CBI Collections" (PDF). Newsletter v.27 no.1. Charles Babbage Institute. Retrieved May 22, 2013.
- 1 2 "IBM User Groups in Europe" . Retrieved May 23, 2013.
- ↑ Panepinto, Joe (Jan 29, 1990). "Users groups gain ground by bending Big Blue's ear". Network World. Retrieved June 13, 2018.
- ↑ LaPlante, Alice (Nov 24, 1986). "IBM User Group is World's Most Influential". Infoworld. Retrieved June 13, 2018.
- ↑ Guide Intern. Corp. v. United States, 948F. 2d360 (7th Cir.1991). Brief of Appellant at 3.
