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Ross, Michael; Grauer, Manfred; Freisleben, Bernd: Introduction. In: Michael Ross, Manfred Grauer, Bernd Freisleben (Hg.): Digital Tools in Media Studies. Analysis and Research. An Overview. Bielefeld: transcript 2009, S. 7–16. DOI: https://doi.org/10.25969/mediarep/2520.