Issue No.07 - October (1983 vol.3)
Perq 2, designed to function as an independent workstation or as part of a distributed Ethernet standard network, has been jointly developed by Three Rivers Computer Corporation and International Computers, Ltd., a European computer manufacturer.
Carl Machover, "New Products", IEEE Computer Graphics and Applications, vol.3, no. 7, pp. 73-81, October 1983, doi:10.1109/MCG.1983.263309