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Shneiderman, B.; Byrd, D.; Croft, W.B.: Clarifying search : a user-interface framework for text searches (1997) 0.01

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Source: D-Lib magazine. 3(1997) no.1, xx S

Ostroff, D.; Shneiderman, B.: Selection devices for user of an electronic encyclopedia : an empirical comparison of four possibilities (1988) 0.00

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