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Submitted on: 04 November 1998.
Revised on: 21 November 1998.
Accepted on: 19 December 1998.
SCANDINAVICA
Submitted on: 19 March 1998.
Revised on: 30 April 1998.
Accepted on: 10 May 1998.
SCANDINAVICA---UNIV EAST ANGLIA
Submitted on: 17 October 2007.
Revised on: 14 November 2007.
Accepted on: 04 December 2007.
SCANDINAVICA
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http://reply.papertrans.cn/3/276/27543/27543-26.png
Submitted on: 30 September 2021.
Revised on: 25 October 2021.
Accepted on: 12 November 2021.
SCANDINAVICA
http://reply.papertrans.cn/3/276/27543/27543-28.png
http://reply.papertrans.cn/3/276/27543/27543-29.png
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