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Hildreth, C.R.: Beyond Boolean: designing the next generation of online catalogs (1987)
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Hildreth, C.R.: Online Public Access Catalogs (1985)
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Hildreth, C.R.: Intelligent interfaces and retrieval methods for subject searching in bibliographic retrieval systems (1989)
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Hildreth, C.R.: Online public access catalogs : the user interface (1982)
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Hildreth, C.: LCSH needs hierarchical restructuring (1984)
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Young, D.; Shneiderman, B.: ¬A graphical filter/flow representation of Boolean queries : a prototype implementation and evaluation (1993)
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Morton, D.: Refresher course : boolean and (searching or retrieval) (1993)
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Jascó, P.: Don't kiss Boolean goodbye : it's AND not OR, let alone XOR (1994)
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English, W.: ¬A short primer in conducting searches (1998)
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Frické, M.: Boolean logic (2021)
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