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Submitted on: 21 March 2008.
Revised on: 30 April 2008.
Accepted on: 25 May 2008.
PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-WATER MANAGEMENT
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http://reply.papertrans.cn/3/254/25310/25310-34.png
Submitted on: 15 March 2007.
Revised on: 26 April 2007.
Accepted on: 03 May 2007.
PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-WATER MANAGEMENT
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