S. Rick, A. Goldberg, and N. Weibel. Proceedings of the 24th International Conference on Intelligent User Interfaces: Companion, page 107--108. New York, NY, USA, ACM, (2019)event-place: Marina del Ray, California.
M. Abele-Horn, K. Stoy, M. Frosch, and R. Reinert. European Journal of Clinical Microbiology & Infectious Diseases: Official Publication of the European Society of Clinical Microbiology, 25 (1):
55--57(January 2006)PMID: 16424974.