Kacianka, Reinhard. 2005. “Review: Mathias Spohr (2003). Das Gemeinsame Maß. Ansätze Zu Einer Allgemeinen Medientheorie [The Common Measure. Approaches to a General Media Theory]”. Forum Qualitative Sozialforschung Forum: Qualitative Social Research 6 (2). https://doi.org/10.17169/fqs-6.2.485.