Submitted on: 19 April 2011.
Revised on: 07 May 2011.
Accepted on: 30 May 2011.
Sustainable Energy Grids & Networks
Submitted on: 08 January 2000.
Revised on: 30 January 2000.
Accepted on: 12 February 2000.
Sustainable Energy Grids & Networks
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Submitted on: 13 February 2017.
Revised on: 17 March 2017.
Accepted on: 02 April 2017.
Sustainable Energy Grids & Networks