REASON - Resilience and Security of Geospatial Data for Critical Infrastructures. - Sanna Kaasalainen; Maija Mäkelä; Laura Ruotsalainen; Titti Malmivirta; Thomas Fordell; Kalle Hanhijärvi; Anders E. Wallin; Thomas Lindvall; Sergey Nikolskiy; Martta-Kaisa Olkkonen; Jesperi Rantanen; Sonja Lahtinen; et al. (ICL-GNSS (Work in Progress), 2021)

Out-of-Band Fibre-Optic Time and Frequency Transfer Using Asymmetric and Symmetric Opto-Electronic Repeaters. - Thomas Fordell; Kalle Hanhijärvi; Anders E. Wallin; Jani Myyry; Thomas Lindvall (IEEE DataPort, 2023)