Brief Announcement: Gathering in Linear Time: A Closed Chain of Disoriented & Luminous Robots with Limited Visibility 
J. Castenow, J. Harbig, D. Jung, T. Knollmann, F. Meyer auf der Heide, in: S. Devismes, N.  Mittal (Eds.), Stabilization, Safety, and Security of Distributed Systems - 22nd International Symposium, SSS 2020, Austin, Texas, USA, November 18-21, 2020, Proceedings , Springer, 2020, pp. 60–64.