| Link | Autor(en) | Titel | Jahr | Typ | Seiten MByte
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|  | Bauch A, Eusébio L, Kallio U, Koivula H, Kuhlmann H, Lahtinen S,… | Metrology for long distance surveying with GNSS and EDM | 2017 | amtl | 53 0.1
 | 
|  | Häkli P, Koivula H, Puupponen J | Assessment of Practical 3-D Geodetic Accuracy for Static GPS Surveying | 2008 | AngF | 14 0.1
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|  | Puupponen J, Häkli P, Koivula H | Influence of Global Ionosphere Model in Static GPS Surveying Using Commercial GPS Processing Software | 2008 | AngF | 8 0.1
 | 
|  | Poutanen M, Koivula H, Ollikainen M | On periodicity of GPS times series | 2001 | GruF | 4 0.1
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