Submitted on: 09 October 2009.
Revised on: 14 November 2009.
Accepted on: 25 November 2009.
Sustainability Science---SPRINGER JAPAN KK
Submitted on: 12 September 2016.
Revised on: 28 September 2016.
Accepted on: 15 October 2016.
Sustainability Science
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Submitted on: 28 December 2007.
Revised on: 23 January 2008.
Accepted on: 12 February 2008.
Sustainability Science
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