@incollection{Bremer2013, author = {Claudia Bremer}, title = {Massive Open Online Courses}, booktitle = {Thomas Knaus, Olga Engel (Hrsg.)(2013): fraMediale-digitale Medien in Bildungseinrichtungen [Band 3]. M{\"u}nchen: kopaed, S. 30-48.}, year = {2013}, }