The International Conference on Human-Computer InteractionEWHCI '93 was thethird conference in a series which startedin 1991 in Moscow. Like its predecessors, it was occasionedby the long separation of workers in HCI from one anotherand the new opportunity to learn from one another and tostart cooperations with each other. The conference wasinternational,with papers and participants from 16countries. This volume contains a selection of the bestpapers presented at the conference. The papers are groupedinto parts on: foundations of HCI; techniques, tools andparadigms for interface design; information visualization;empiricalstudies; multimedia; hypertext; customizinginterfaces; teaching and learning; applications.