Finnish permanent GNSS network: From dual-frequency GPS to multi-satellite GNSS. - Hannu Koivula; Jaakko Kuokkanen; Simo Marila; Tomi Tenhunen; Pasi Häkli; Ulla Kallio; Sonja Nyberg; Markku Poutanen (UPINLBS, 2012)

P3: A Public Precise Positioning Service based on a national GNSS network. - Martti Kirkko-Jaakkola; Jarno Saarimaki; Stefan Söderholm; Robert Guinness; Laura Ruotsalainen; Heidi Kuusniemi; Hannu Koivula; Tuukka Mattila; Sonja Nyberg (ICL-GNSS, 2014)