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Heide, L.: Punched-card systems and the early information explosion, 1880-1945 (2009)
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Kilgour, F.G.: Origins of coordinate searching (1997)
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Miller, D.R.; Brewer, K.: Usefulness of OCLC archive tapes as a basis for local online systems (1982)
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Hapke, T.: History of scholarly information and communication : a review of selected German literature (1999)
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Blair, A: Too much to know : managing scholarly information before the modern age (2011)
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