@article{Uuemaa_2020,
title={Vertical Accuracy of Freely Available Global Digital Elevation Models (ASTER,
AW3D30,
MERIT,
TanDEM-X,
SRTM,
and NASADEM)},
volume={12},
ISSN={2072-4292},
url={http://dx.doi.org/10.3390/rs12213482},
DOI={10.3390/rs12213482},
number={21},
journal={Remote Sensing},
publisher={MDPI AG},
author={Uuemaa,
Evelyn and Ahi,
Sander and Montibeller,
Bruno and Muru,
Merle and Kmoch,
Alexander},
year={2020},
month=oct,
pages={3482} }