image is a derivative work of the following images: File:Pik_leibniz_camp3_summitstorm.jpg licensed with Cc-by-sa-3.0, GFDL 2010-02-05T07:56:15Z Pi thagoras...
Date 11 September 2009 Source Own work Author Pi thagoras Other versions Derivative works of this file: Pik leibniz camp3 summitstorm frameless.jpg...
