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2. Human factors testing in the design of Xerox's 8010 ���Star��� office workstation;Bewley,1983
3. Designing casual-user hypertext: the CHI'89 InfoBooth;Salomon,1990
4. T. Hewett R. Baecker S. Card T. Carey J. Gasen M. Mantei G. Perlman G. Strong B. Verplank 1992 http://sigchi.org/cdg/cdg2.html
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