jaar |Source=Overgenomen van http://en.wikipedia.org/wiki/Image:Carbon_Dioxide_400kyr-2.png, en bewerkt |Date=2007-05-02 |Author=Robert A. Rohde, bewerk...
H. Fischer, K. Kawamura, and T.F. Stocker (2008). "High-resolution carbon dioxide concentration record 650,000-800,000 years before present". Nature 453:...
DescriptionCarbon Dioxide 800kyr-nl.svg English: Translation of https://en.wikipedia.org/wiki/Global_warming#/media/File:Carbon_Dioxide_800kyr.svg (also...
