@inbook{Ku_era_2013,
title={Open Government Data Catalogs: Current Approaches and Quality Perspective},
ISBN={9783642401602},
ISSN={1611-3349},
url={http://dx.doi.org/10.1007/978-3-642-40160-2_13},
DOI={10.1007/978-3-642-40160-2_13},
booktitle={Lecture Notes in Computer Science},
publisher={Springer Berlin Heidelberg},
author={Kučera,
Jan and Chlapek,
Dušan and Nečaský,
Martin},
year={2013},
pages={152–166} }