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BASE (Bielefeld Academic Search Engine) is one of the world's most voluminous search sengines especially for academic web resources, e.g. journal articles, preprints, digital collections, images / videos or research data. Other than search engines like Google or Bing BASE searches the deep web as well. The sources which are included are intellectually selected and reviewed. BASE is operated by Bielefeld University Library.
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The CERN Document Server (Centre Européen de Recherche Nucleaire, Geneva) is an institutional repository that provides access to bibliographic records and full text documents in the fields of particle physics and related areas. It covers preprints, articles, books, journals, photographs, and much more.
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Database Tutorial
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CiteSeerx is a scientific literature digital library and search engine that focuses primarily on the literature in computer and information science. CiteSeerx aims to improve the dissemination of scientific literature and to provide improvements in functionality, usability, availability, cost, comprehensiveness, efficiency, and timeliness in the access of scientific and scholarly knowledge.
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CINDA contains bibliographic references to measurements, calculations, reviews, and evaluations of neutron cross-sections and other microscopic neutron data; it also includes index references to computer libraries of numerical neutron data available from four regional neutron data centers. The database is extended by photonuclear and charged particle reaction data.
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The DART-Europe E-theses Portal is a searchable database of electronic research theses held in European repositories. The theses listed are open access - publicly available, in full, without charge. The DART-Europe Portal does not store theses, but it provides a link to at least one electronic copy of every thesis listed in its database.
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