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Hehl, H.: ¬Die elektronische Bibliothek : Literatursuche und Literaturbeschaffung im Internet (1999)
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Hehl, H.: ¬Die elektronische Bibliothek : Literatursuche und Literaturbeschaffung im Internet (2001)
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Weilenmann, A.-K.: Fachspezifische Internetrecherche : für Bibliothekare, Informationsspezialisten und Wissenschaftler (2001)
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