A. Voit, S. Mayer, V. Schwind, and N. Henze. Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, page 507:1--507:12. New York, NY, USA, ACM, (2019)
S. Makri, A. Blandford, and A. Cox. Web Information-Seeking and Interaction Workshop 2007 (WISI2007), (July 2007)Part of the 30th Annual International ACM Special Interest Group on Information Retrieval Conference (SIGIR2007)
23-27 July 2007, Amsterdam.