Submitted on: 07 August 2000.
Revised on: 04 December 2000.
Accepted on: 29 December 2000.
___________________ASIAN JOURNAL OF CONTROL---WILEY
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Submitted on: 03 March 2007.
Revised on: 10 June 2007.
Accepted on: 18 July 2007.
___________________ASIAN JOURNAL OF CONTROL---WILEY
Submitted on: 03 April 2004.
Revised on: 27 July 2004.
Accepted on: 14 August 2004.
___________________ASIAN JOURNAL OF CONTROL---WILEY
Submitted on: 25 June 2007.
Revised on: 17 October 2007.
Accepted on: 06 November 2007.
___________________ASIAN JOURNAL OF CONTROL---WILEY
Submitted on: 27 March 2008.
Revised on: 16 May 2008.
Accepted on: 03 July 2008.
___________________ASIAN JOURNAL OF CONTROL---WILEY
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Submitted on: 12 December 2003.
Revised on: 09 January 2004.
Accepted on: 26 January 2004.
___________________ASIAN JOURNAL OF CONTROL---WILEY