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Submitted on: 21 May 2006.
Revised on: 05 July 2006.
Accepted on: 01 September 2006.
___________________JOURNAL OF LOW TEMPERATURE PHYSICS
Submitted on: 01 December 2006.
Revised on: 18 January 2007.
Accepted on: 04 February 2007.
___________________JOURNAL OF LOW TEMPERATURE PHYSICS
Submitted on: 03 June 2020.
Revised on: 20 July 2020.
Accepted on: 05 September 2020.
___________________JOURNAL OF LOW TEMPERATURE PHYSICS
Submitted on: 30 June 2003.
Revised on: 04 August 2003.
Accepted on: 14 August 2003.
___________________JOURNAL OF LOW TEMPERATURE PHYSICS
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