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Submitted on: 30 August 2002.
Revised on: 22 October 2002.
Accepted on: 17 November 2002.
___________________Evolutionary Applications---WILEY
Submitted on: 06 November 2005.
Revised on: 11 December 2005.
Accepted on: 19 January 2006.
___________________Evolutionary Applications---WILEY
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Submitted on: 02 August 2000.
Revised on: 01 October 2000.
Accepted on: 20 November 2000.
___________________Evolutionary Applications---WILEY