Keihl and Trenberth (1997) Sun Climate System
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, translatet to German by <a href="https://de.wikipedia.org/wiki/user_IqRS" class="extiw" title="de:user IqRS">IqRS</a>, artwork modified by <a href="https://de.wikipedia.org/wiki/user_xavax" class="extiw" title="de:user xavax">xavax</a>
Nov-Dec06
<a rel="nofollow" class="external free" href="http://eospso.gsfc.nasa.gov/eos_observ/pdf/Nov-Dec06.pdf">http://eospso.gsfc.nasa.gov/eos_observ/pdf/Nov-Dec06.pdf</a>