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Blake, P.: CyberHound sniffs out the right sites (1996)
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Sperber, W.; Ion, P.D.F.: Content analysis and classification in mathematics (2011)
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Chua, A.Y.K.; Banerjee, S.: Understanding review helpfulness as a function of reviewer reputation, review rating, and review depth (2015)
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Burton, P.F.: On reading "The banning of books in libraries" (2007)
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Fraser, C.: Mathematics in library and review classification systems : an historical overview (2020)
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