Submitted on: 17 December 2006.
Revised on: 18 January 2007.
Accepted on: 11 February 2007.
POLAR BIOLOGY---SPRINGER
Submitted on: 26 March 2017.
Revised on: 11 April 2017.
Accepted on: 30 April 2017.
POLAR BIOLOGY
Submitted on: 16 April 2000.
Revised on: 13 May 2000.
Accepted on: 18 May 2000.
POLAR BIOLOGY
Submitted on: 10 October 2004.
Revised on: 27 October 2004.
Accepted on: 10 November 2004.
POLAR BIOLOGY---SPRINGER
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