Useful references:

• The Verve Energy website at:
  www.verveenergy.com.au
• Australian Greenhouse Office website at:
  www.greenhouse.gov.au and search for “solar pond”.
• Research Institute of Sustainable Energy at:
  www.rise.org.au/info/Tech/otec/index.html
• The Natural Energy Laboratory of Hawaii website at:
  www.nelha.org
• The RMIT University website (go to “Solar Pond Project”) at:
  www.rmit.edu.au
• The “Wikipedia – The Free Encyclopedia” website about “The Dead Sea” at:
  en.wikipedia.org/wiki/Dead_Sea
• The “El Paso Salinity Gradient Solar Pond” website at:
  www.solarpond.utep.edu/
• The “Pyramid Salt” website at:
  www.pyramidsalt.com.au/company.html