Submitted on: 20 December 2000.
Revised on: 21 February 2001.
Accepted on: 09 March 2001.
___________________INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH
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Submitted on: 09 November 2017.
Revised on: 15 February 2018.
Accepted on: 18 March 2018.
___________________INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH
Submitted on: 27 March 2008.
Revised on: 04 July 2008.
Accepted on: 21 July 2008.
___________________INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH
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Submitted on: 30 July 2010.
Revised on: 29 October 2010.
Accepted on: 06 December 2010.
___________________INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH
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