Vasak SL, Griffioen J, Feenstra L. Fluoride in African groundwater: Occurrence and mitigation. In:Sustainable Groundwater resources in Africa: UNESCO, IHP; 2010:153-168. - Buy the book
Global Overview of Saline Groundwater Occurrence and Genesis (Weert, Gun, Reckman, GP 2009-1)
Arsenic in Groundwater: A World Problem (NNC-IAH Publication No. 5, 2006)
Note that the following special projects pages disclose the same information as the published IGRAC reports: