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@ARTICLE{2015JGeod..89..887R,
author = {{Rexer}, M. and {Hirt}, C.},
title = "{Spectral analysis of the Earth's topographic potential via 2D-DFT: a new data-based degree variance model to degree 90,000}",
journal = {Journal of Geodesy},
keywords = {Degree variance, Omission error, Discrete Fourier transform, Ultra-high resolution gravity, GGMplus, Spherical approximation, Ellipsoidal approximation},
year = 2015,
month = sep,
volume = 89,
pages = {887-909},
doi = {10.1007/s00190-015-0822-4},
adsurl = {http://adsabs.harvard.edu/abs/2015JGeod..89..887R},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}