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Schmidt, R.; Schwintzer, P.; Flechtner, F.; Reigber, C.; Guntner, A.; Doll, P.; Ramillien, G.; Cazenave, A.; et al. (2006). „GRACE observations of changes in continental water storage”. Global and Planetary Change. 50 (1–2): 112—126. Bibcode:2006GPC....50..112S. doi:10.1016/j.gloplacha.2004.11.018.
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Vanderwal, W.; Wu, P.; Sideris, M.; Shum, C. (2008). „Use of GRACE determined secular gravity rates for glacial isostatic adjustment studies in North-America”. Journal of Geodynamics. 46 (3–5): 144. Bibcode:2008JGeo...46..144V. doi:10.1016/j.jog.2008.03.007.
P., Vaníček; A., Kleusberg; Z., Martinec; W., Sun; P., Ong; M., Najafi; P., Vajda; L., Harrie; P., Tomasek; B., ter Horst. Compilation of a Precise Regional Geoid(PDF) (Извештај). Department of Geodesy and Geomatics Engineering, University of New Brunswick. 184. Приступљено 22. 12. 2016.CS1 одржавање: Формат датума (веза)