This image is a derivative work of the following images: File:Milankovitch_Variations.png licensed with GFDL-1.2, GFDL or cc-by-nc-sa/2.5 2006-02-11T11:35:37Z...
available data, and is incorporated into the Global Warming Art project. Other versions Derivative works of this file: Variacions de Milankovitch.png...
