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Submitted on: 27 October 2006.
Revised on: 19 February 2007.
Accepted on: 09 April 2007.
___________________Advanced Sustainable Systems---WILEY-V C H VERLAG GMBH
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Submitted on: 18 October 1999.
Revised on: 04 January 2000.
Accepted on: 22 February 2000.
___________________Advanced Sustainable Systems---WILEY-V C H VERLAG GMBH
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Submitted on: 24 May 2020.
Revised on: 13 September 2020.
Accepted on: 10 October 2020.
___________________Advanced Sustainable Systems---WILEY-V C H VERLAG GMBH
Submitted on: 18 August 1999.
Revised on: 03 December 1999.
Accepted on: 28 January 2000.
___________________Advanced Sustainable Systems---WILEY-V C H VERLAG GMBH
Submitted on: 28 November 2008.
Revised on: 30 December 2008.
Accepted on: 06 February 2009.
___________________Advanced Sustainable Systems---WILEY-V C H VERLAG GMBH
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Submitted on: 03 May 1998.
Revised on: 29 August 1998.
Accepted on: 19 September 1998.
___________________Advanced Sustainable Systems---WILEY-V C H VERLAG GMBH