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Submitted on: 02 February 2008.
Revised on: 29 April 2008.
Accepted on: 17 June 2008.
___________________Communications Earth & Environment
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Submitted on: 02 October 2023.
Revised on: 12 November 2023.
Accepted on: 29 November 2023.
___________________Communications Earth & Environment
Submitted on: 25 November 2021.
Revised on: 01 February 2022.
Accepted on: 22 February 2022.
___________________Communications Earth & Environment