F. Freitas, J. Leitão, N. Preguiça, and R. Rodrigues. 2016 46th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), page 638-645. (June 2016)
N. Saeed, and Y. Yang. ACE '08: Proceedings of the tenth conference on Australasian computing education, page 113--118. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2008)
S. Krauss. Kommunikation, Partizipation und Wirkungen im Social Web. Band 1: Grundlagen und Methoden: Von der Gesellschaft zum Individuum, Herbert von Halem Verlag, (2008)