[ { "path": "barcelona.jpg", "license": "CC-BY-SA", "authors": [ "CLIGNER" ], "sources": [ "https://commons.wikimedia.org/wiki/File:Gama_racores_UNE23400_ligatura.JPG" ] }, { "path": "storz.jpg", "license": "CC-BY-SA", "authors": [ "Karl Gruber" ], "sources": [ "https://commons.wikimedia.org/wiki/File:Festkupplung.jpg" ] } ]