Anālisi geogrāfic hauria trobat OBL més rāpid <a href="http://news.sciencemag.org/scienceinsider/2011/05/geographers-had-calculated-81.html">http://news.sciencemag.org/scienceinsider/2011/05/geographers-had-calculated-81.html</a><br>
<br>Raf<br>