1021326. ↑ Anderson, James P.; Hoffman, Samuel A.; Shifman, Joseph; Williams, Robert J. (1962), "D825 - a multiple-computer system for command & control", Proceedings of the December 4–6, 1962, Fall Joint Computer Conference, AFIPS Conference Proceedings, Volume 24, doi:10.1145/1461518.1461527 ↑ SCAMP picture at dave's Old computers ↑ Reitman, Valerie (January 18, 1989), "Unisys Ready To Offer A Desktop Mainframe", Philadelphia Inquirer, retrieved 2011-04-16 ↑ Unisys Accelerates Mainframe Rebirth with New ClearPath Enterprise Servers, Aggressive New Pricing. - Business Wire - HighBeam Research ↑ "Libra 595".