GPS Time Series Analysis from Aboa the Finnish Antarctic Research Station. - Constantin-Octavian Andrei; Sonja Lahtinen; Maaria Nordman; Jyri Näränen; Hannu Koivula; Markku Poutanen; Juha Hyyppä (Remote. Sens., 2018)

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)

Galileo L10 Satellites: Orbit, Clock and Signal-in-Space Performance Analysis. - Constantin-Octavian Andrei; Sonja Lahtinen; Markku Poutanen; Hannu Koivula; Jan Johansson (Sensors, 2021)