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Segev, E.: Google and the digital divide : the bias of online knowledge (2010)
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Spink, A.; Jansen, B.J.; Blakely, C.; Koshman, S.: ¬A study of results overlap and uniqueness among major Web search engines (2006)
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Hills, T.; Segev, E.: ¬The news is American but our memories are - Chinese? (2014)
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