Thu, 21 Aug 2008 06:49:41 BST CiteULike: renatomilani's Holmes http://www.citeulike.org/user/renatomilani/author/Holmes CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/renatomilani/article/2776568 <i>Science, Vol. 320, No. 5877. (9 May 2008), pp. 752-753.</i><br /><br />10.1126/science.1158105 ECOLOGY: How the Sahara Became Dry Jonathan Holmes doi:10.1126/science.1158105 Science, Vol. 320, No. 5877. (9 May 2008), pp. 752-753. 2008-05-09T20:24:02-00:00 2008 Science 320 5877 752 753 climate