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    Catalogue d'un choix de très beaux livres modernes et d'albums de gravures / [expert] A. Durel

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    [Vente. Livres. 1913-05-27. Paris][Collection. Livres. L. B.. 1913]Appartient à l’ensemble documentaire : VenteEST2Avec mode text

    Catalogue des livres anciens et modernes composant la bibliothèque de feu M. E. Marcelin,... / [expert] A. Durel

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    [Vente. Livres. 1888-11-19 - 1888-11-24. Paris][Collection. Livres. Marcelin, E.. 1888]Appartient à l’ensemble documentaire : VenteEST2Avec mode text

    Catalogue d'un choix de très beaux livres illustrés, éditions de grand luxe, belles reliures d'art... / [expert] A. Durel

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    [Vente. Livres. 1906-05-28. Paris]Appartient à l’ensemble documentaire : VenteEST2Avec mode text

    Catalogue des livres rares et précieux composant la bibliothèque de M. P. Guy Pellion. Vol. 1 / [A. Durel]

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    [Vente. Livres. 1882. Paris][Collection. livres. Guy-Pellion, P.. 1882]Catalogues de vent

    Catalogue de beaux livres modernes bien reliés, éditions de luxe provenant de la bibliothèque de feu Mr F.... / [expert] A. Durel

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    [Vente. Livres. 1909-03-25. Paris][Collection. Livres. F****. 1909]Appartient à l’ensemble documentaire : VenteEST2Avec mode text

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Catalogue de beaux livres modernes, éditions de luxe sur papiers de Chine et du Japon... provenant de la bibliothèque du vicomte de L. C. / [expert] A. Durel

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    [Vente. Livres. 1904-03-28 - 1904-03-29. Paris][Collection. Livres. L. C. (vicomte de). 1904]Appartient à l’ensemble documentaire : VenteEST2Avec mode text
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