Media type: E-Article Title: Comparing the Quality of Crowdsourced Data Contributed by Expert and Non-Experts Contributor: See, Linda; Comber, Alexis; Salk, Carl; Fritz, Steffen; van der Velde, Marijn; Perger, Christoph; Schill, Christian; McCallum, Ian; Kraxner, Florian; Obersteiner, Michael Published: Public Library of Science (PLoS), 2013 Published in: PLoS ONE, 8 (2013) 7, Seite e69958 Language: English DOI: 10.1371/journal.pone.0069958 ISSN: 1932-6203 Origination: Footnote: Access State: Open Access