MatthiasKabel & Sting published on 26 April 2012
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by MatthiasKabel & Sting. Uploaded by Jan van der Crabben, published on 26 April 2012 under the following license: GNU Free Documentation License. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.