por Ifip Tc 2/wg 2.7 Working Conference On Engineering For Human-computer Interaction (1992 : Ellivuori, Finlandia) | Larson, James A [editor] | Unger, Claus [editor].
por IFIP TC8/WG8.4 Working Conference on the Open Systems Future: Leveraging the LAN (1993 : Perth, Australia del Este) | Vogel, Douglas R [editor].
por Ifip Tc8/wg8.5 Working Conference On Systems Engineering In Public Administration (1993 : Luneburg, Alemania) | Bonin, Hinrich E. G [editor].