The World's Water 2006-2007: The Biennial Report on Freshwater ResourcesCărți electroniceThe World's Water 2006-2007: The Biennial Report on Freshwater ResourcesdinPeter H. GleickEvaluare: 5 din 5 stele5/5Salvați The World's Water 2006-2007: The Biennial Report on Freshwater Resources pentru mai târziu