Submitted on: 18 November 2014.
Revised on: 18 December 2014.
Accepted on: 30 January 2015.
___________________Journal of Sensors and Sensor Systems
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Submitted on: 12 March 2003.
Revised on: 03 June 2003.
Accepted on: 21 July 2003.
___________________Journal of Sensors and Sensor Systems
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