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Submitted on: 16 May 2010.
Revised on: 13 July 2010.
Accepted on: 18 August 2010.
___________________JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY
Submitted on: 28 April 2003.
Revised on: 26 July 2003.
Accepted on: 09 August 2003.
___________________JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY
Submitted on: 23 October 2019.
Revised on: 30 November 2019.
Accepted on: 25 January 2020.
___________________JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY