1. *www.green-trust.org/otec.htm; [accessed 14.10.12].
2. www.celsias.com/article/can-ocean-thermal-energy-conversion-turn-tide-clim/; [accessed 14.10.12].
3. http://newenergyportal.files.wordpress.com/2009/12/closed-cycle-ocean-thermal-energy-conversion-otec1.png; [accessed 14.10.12].
4. *www.oceansatlas.org/unatlas/uses/EnergyResources/Background/OTEC/OTEC2.html.
5. *www.otecafrica.org/Project.aspx; [accessed 14.10.12].