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2. Asia Africa Intelligence Wire, 2002. Cahora Bassa cuts off Eskom. Publication. Date: 18-October. See also 〈www.accessmylibrary.com/coms2/summary_0286-26334836_ITM〉.
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4. The ABCs of HVDC transmission technologies;Bahrman;IEEE Power & Energy Magazine,2007
5. BBC News, 2008. Mediterranean union is launched. 〈http://news.bbc.co.uk/2/hi/europe/7504214.stm〉 (Accessed 19th Nov 2008).