license: This image is a derivative work of the following images: Image:Soccerball_mask.svg licensed with PD-OpenClipart 2007-05-26T20:55:48Z Ed g2s 313x313...
Abbildungsverzeichnis Quelle = Soccerball.svg , Autor = Benutzer Ranveig auf Commons, Lizenz = PD Quelle = Torus illustration.png , Autor = Oleg Alexandrov...
