@article{Navratil_2013,
title={VGI FOR LAND ADMINISTRATION – A QUALITY PERSPECTIVE},
volume={XL-2/W1},
ISSN={2194-9034},
url={http://dx.doi.org/10.5194/isprsarchives-xl-2-w1-159-2013},
DOI={10.5194/isprsarchives-xl-2-w1-159-2013},
journal={The International Archives of the Photogrammetry,
Remote Sensing and Spatial Information Sciences},
publisher={Copernicus GmbH},
author={Navratil,
G. and Frank,
A. U.},
year={2013},
month=may,
pages={159–163} }