M. Alrifai, R. Gennari, und P. Vittorini. International Workshop on Evidence-Based Technology Enhanced Learning, Volume 152 von Advances in Intelligent and Soft Computing, Springer Berlin Heidelberg, (2012)
E. Demidova, T. Risse, und G. Tran. Proc.of 5th International Workshop on Semantic Digital Archives (SDA 2015), 1529, Seite 61 - 75. ceur-ws.org, (2015)