@incollection{:/content/books/9789210047074s001-c010, author = "Charles J. Vörösmarty", title = "The earth’s natural water cycles", booktitle = "The United Nations World Water Development Report 2009", publisher = "United Nations", year = "2009", pages = "166-180", url = "https://www.un-ilibrary.org/content/books/9789210047074s001-c010" }