Submitted on: 31 July 2006.
Revised on: 11 September 2006.
Accepted on: 19 September 2006.
Nature Energy
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http://reply.papertrans.cn/3/228/22716/22716-33.png
Submitted on: 05 February 2002.
Revised on: 16 February 2002.
Accepted on: 09 March 2002.
Nature Energy
Submitted on: 14 July 2002.
Revised on: 05 August 2002.
Accepted on: 21 August 2002.
Nature Energy---NATURE PORTFOLIO
Submitted on: 17 February 2010.
Revised on: 03 March 2010.
Accepted on: 24 March 2010.
Nature Energy