_:vb2315254 "{\"id\": \"cc-by/4.0\", \"name\": \"Creative Commons Namensnennung \u2013 4.0 International (CC BY 4.0)\", \"url\": \"http://creativecommons.org/licenses/by/4.0/\", \"quelle\": \"Federal Institute for Geosciences and Natural Resources (BGR) and Freiberg University of Mining and Technology (TUBAF)\"}"@de . _:vb2315254 .