1. M. Batisse, Plan bleu, A tool for the Mediterranean people. www.planbleu.org
2. Water reuse for the SAPREF refinery in Durban, South Africa;Vriends,1999
3. European Environmental Agency, Seawater Intrusion in Coastal Aquifers, http:/reports.eea.eu.int/92-9167-056-1/en/
4. W. Cosgrove and F.R. Rijsberman,. World Water Vision, Making Water Everybody's Business. Earthscan Publications Ltd., 2000, http://www.earthscan.co.uk
5. The future of water desalination in Spanish agriculture;Medina San Juan,2002