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Belgium
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Université Catholique de Louvain
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Czech Republic
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National Technical Library
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Germany
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Fachinformationszzentrum Karlsruhe
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Germany
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German National Library of Science and Technology (TIB)
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Spain
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Centro de Informaciòn y Documentaciòn Cientìfica
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France
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Institut de l'Information Scientifique et Technique-CNRS
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United Kingdom of Great Britain and Northern Ireland
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British Library Document Supply Centre
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Italy
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Consiglio Nazionale delle Richerche
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Luxembourg
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Bibliothèque Nationale de Luxembourg
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Latvia
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Portugal
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Fundação para a Ciência e a Tecnologia
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Russian Federation
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VNTIC Scientific & Technical Information Centre of Russia
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Slovakia
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Slovak Centre of Scientific and Technical Information
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International
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