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Springer Science and Business Media LLC, 2008
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Springer Science and Business Media LLC, 2008
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Springer Berlin Heidelberg, 2007
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Springer Berlin Heidelberg, 2007
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Springer Berlin Heidelberg, 2004
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Springer Berlin Heidelberg, 2003
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Springer Berlin Heidelberg, 1996
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Academy and Industry Research Collaboration Center (AIRCC), 2013
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Springer Berlin Heidelberg, 2005
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Springer Berlin Heidelberg, 2003
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Elsevier BV, 2003
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Association for Computing Machinery (ACM), 1998
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Göttingen: Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019
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Berlin: Technische Universität Berlin, 2016
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Wiley, 2020
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Walter de Gruyter GmbH, 2015
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Springer Science and Business Media LLC, 2014
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Springer Berlin Heidelberg, 2014
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JEDEM Journal of e-Democracy and Open Government, 2014
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Open Publishing Association, 2012