News in Time and Space: Global Event Exploration in Virtual Reality. - Julian Gagel; Jasper Hustedt; Timo Lüttig; Theresa Berg; Giuseppe Abrami; Alexander Mehler (HT, 2023)

Geo-spatial hypertext in virtual reality: mapping and navigating global news event spaces. - Patrick Schrottenbacher; Alexander Mehler; Theresa Berg; Jasper Hustedt; Julian Gagel; Timo Lüttig; Giuseppe Abrami (New Rev. Hypermedia Multim., 2025)