http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
4th World Water Congress: Innovation in Drinking Water Treatment
Selected Papers of the 4th World Water Congress : International Water Association : held in Marrakech, Morocco : 19-24 September 2004
International Water Association ; Issue Editors: IWA Programme Committee
Περιλαμβάνει βιβλιογραφίες και ευρετήριο
Water science & technology. Water supply ; ; 04