Submitted on: 11 April 2003.
Revised on: 10 May 2003.
Accepted on: 22 May 2003.
___________________Drone Systems and Applications
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Submitted on: 24 September 2016.
Revised on: 29 November 2016.
Accepted on: 06 January 2017.
___________________Drone Systems and Applications
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Submitted on: 15 October 1998.
Revised on: 16 December 1998.
Accepted on: 22 January 1999.
___________________Drone Systems and Applications
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