H. Bast, P. Brosi, und S. Storandt. Proceedings of the ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL), Seite 13-22. ACM, (2018)
A. Bejan, M. Wieland, P. Murko, und C. Kunze. Proceedings of the 2018 ACM Conference Companion Publication on Designing Interactive Systems, Seite 225–230. New York, NY, USA, Association for Computing Machinery, (30.05.2018)