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McLean, S.; Spring, M.B.; Rasmussen, E.; Williams, J.G.: Online image databases : usabiblity and performance (1995)
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Olson, G.M.; Moran, T.P.: Introduction to this special issue on experimental comparisons of usability evaluation methods (1998)
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Milstead, J.L.: Needs for research in indexing (1994)
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