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Submitted on: 13 October 1999.
Revised on: 23 December 1999.
Accepted on: 03 January 2000.
___________________ARCTIC ANTARCTIC AND ALPINE RESEARCH
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Submitted on: 05 November 2003.
Revised on: 02 December 2003.
Accepted on: 26 January 2004.
___________________ARCTIC ANTARCTIC AND ALPINE RESEARCH
Submitted on: 17 February 2015.
Revised on: 14 March 2015.
Accepted on: 18 April 2015.
___________________ARCTIC ANTARCTIC AND ALPINE RESEARCH
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