P. Bitzer, F. Weiß, and J. Leimeister. Eighth International Conference on Design Science Research in Information Systems and Technology (DESRIST), Helsinki, Finland, (2013)
G. Sautter, and K. Böhm. Proceedings of the Second International Conference on Theory and Practice of Digital Libraries, page 370--382. Berlin/Heidelberg, Springer, (2012)
G. Sautter, and K. Böhm. Proceedings of the Second International Conference on Theory and Practice of Digital Libraries, page 370--382. Berlin, Heidelberg, Springer-Verlag, (2012)