Submitted on: 27 June 2010.
Revised on: 14 August 2010.
Accepted on: 18 September 2010.
___________________JOURNAL OF CLASSIFICATION---SPRINGER
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Submitted on: 28 May 2015.
Revised on: 15 September 2015.
Accepted on: 08 October 2015.
___________________JOURNAL OF CLASSIFICATION---SPRINGER
Submitted on: 02 December 2004.
Revised on: 25 January 2005.
Accepted on: 16 March 2005.
___________________JOURNAL OF CLASSIFICATION---SPRINGER
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Submitted on: 24 June 2005.
Revised on: 07 October 2005.
Accepted on: 31 October 2005.
___________________JOURNAL OF CLASSIFICATION---SPRINGER
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Submitted on: 09 August 2009.
Revised on: 19 November 2009.
Accepted on: 06 December 2009.
___________________JOURNAL OF CLASSIFICATION---SPRINGER