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+keyword:(betriebssystem)
Computer display channel system for enroute air traffic control
Proc. 2nd Int. Conf. on Software Engng., San Francisco, Calif. 13.-15.-10.76
Proc. of SPIE, NASA-ESA spacelab systems and programs, April 23-24, 1981, Washington, USA
7th DoD/NBS computer security conf., September 24 - 26, 1984