DP	Aral Sea Changes de Donald Perkey - jueves, 20 de julio de 2006, 14:04
	http://svs.gsfc.nasa.gov/vis/a000000/a003100/a003112/ Aral Sea evaporation http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17002 Retreating Aral Sea coastlines. » Introductory Meteorology Resources