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Man-computer interaction : human factors aspects of computers & people. pp.501-518, 1981. Alphen aan den Rijn, The Netherlands. Sijthoff & Noordhoff Onternational Publishers
Man-computer interaction : human factors aspects of computers & people. pp.521-536, 1981. Alphen aan den Rijn, The Netherlands. Sijthoff & Noordhoff Onternational Publishers
Man-computer interaction : human factors aspects of computers & people. pp.485-500, 1981. Alphen aan den Rijn, The Netherlands. Sijthoff & Noordhoff Onternational Publishers