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Perreault, J.M.: Categories and relators (1965)
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Perreault, J.M.: ¬The idea of order in bibliography (1978)
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Perreault, J.M.: Some problems in the BSO (1979)
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Perreault, J.M.: On the articulation of surrogates : an attempt at an epistemological foundation (1967)
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Perreault, J.M.: ¬An essay on the prehistory of general categories : T.2: G.W. Leibniz, Conrad Gesner (1992)
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Zink, S.D.: Planning for the perils of CD-ROM (1990)
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Walker, G.; Atkinson, S.D.: Information access in the humanities : perils and pitfalls (1991)
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Frei, H.P.; Meienberg, S.; Schäuble, P.: ¬The perils of interpreting recall and precision values (1991)
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Radecki, T.: Reducing the perils of merging Boolean and weighted retrieval (1982)
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Tiggelen, N. van: ¬Een landelijk systeem zou ideaal zijn : bibliotheken van Leerdam en Weert experimenteren met alternatieve plaatsing (1998)
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