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| Id-Nr. | Autor | Verlag | Copyright | Lizenz | |
|---|---|---|---|---|---|
 | 48920836 | blende40 | Fotolia | © blende40 - Fotolia.com | Royalty-free |
 | 41262380 | manulito | Fotolia | © manulito - Fotolia.com | Royalty-free |
 | 50870957 | Martin Rettenberger | Fotolia | © Martin Rettenberger - Fotolia.com | Royalty-free |