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  1. Allen, B.L.: Information tasks : toward a user-centred approach to information systems (1996) 10.31
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    Author
    Allen, B.L.
  2. Allen, B.L.: Visualization and cognitve abilities (1998) 10.31
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    Author
    Allen, B.L.
  3. Allen, B.L.: Designing information systems for user abilities and tasks : an experimental study (1998) 10.31
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