Submitted on: 29 March 2007.
Revised on: 12 May 2007.
Accepted on: 25 May 2007.
___________________European Public Law---KLUWER LAW INT
Submitted on: 25 August 2005.
Revised on: 05 December 2005.
Accepted on: 16 January 2006.
___________________European Public Law---KLUWER LAW INT
Submitted on: 14 December 2000.
Revised on: 09 March 2001.
Accepted on: 24 April 2001.
___________________European Public Law---KLUWER LAW INT
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http://reply.papertrans.cn/1/94/9373/9373-35.png
Submitted on: 25 March 2008.
Revised on: 27 April 2008.
Accepted on: 14 May 2008.
___________________European Public Law---KLUWER LAW INT