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http://reply.papertrans.cn/3/251/25082/25082-22.png
http://reply.papertrans.cn/3/251/25082/25082-23.png
http://reply.papertrans.cn/3/251/25082/25082-24.png
Submitted on: 26 September 2005.
Revised on: 06 October 2005.
Accepted on: 29 October 2005.
POPULATION AND ENVIRONMENT---SPRINGER
http://reply.papertrans.cn/3/251/25082/25082-26.png
Submitted on: 27 January 2012.
Revised on: 17 February 2012.
Accepted on: 12 March 2012.
POPULATION AND ENVIRONMENT
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Submitted on: 12 April 2002.
Revised on: 08 May 2002.
Accepted on: 31 May 2002.
POPULATION AND ENVIRONMENT