http://www.zaragoza.es/ciudad/medioambiente/onu/en/ultimasPer_Onu
[Accessed: 15.01.2013]
This virtual library provides access to recent water and sanitation related publications produced by the United Nations system. It is available in English (www.unwaterlibrary.org) and in Spanish (www.bibliotecaonuagua.org) but publications are accessible in different languages when available (including the 6 official UN languages: Arabic, Chinese, English, French, Russian and Spanish).