Submitted on: 18 January 2007.
Revised on: 30 April 2007.
Accepted on: 15 June 2007.
___________________Facta Universitatis-Series Electronics and Energetics
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Submitted on: 23 March 1998.
Revised on: 09 June 1998.
Accepted on: 20 July 1998.
___________________Facta Universitatis-Series Electronics and Energetics
Submitted on: 02 February 2007.
Revised on: 16 May 2007.
Accepted on: 03 July 2007.
___________________Facta Universitatis-Series Electronics and Energetics
Submitted on: 01 May 2007.
Revised on: 18 August 2007.
Accepted on: 14 October 2007.
___________________Facta Universitatis-Series Electronics and Energetics
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Submitted on: 14 December 2017.
Revised on: 07 March 2018.
Accepted on: 16 April 2018.
___________________Facta Universitatis-Series Electronics and Energetics
Submitted on: 23 October 2007.
Revised on: 31 January 2008.
Accepted on: 24 February 2008.
___________________Facta Universitatis-Series Electronics and Energetics
Submitted on: 02 July 2004.
Revised on: 23 October 2004.
Accepted on: 20 December 2004.
___________________Facta Universitatis-Series Electronics and Energetics
Submitted on: 23 December 2004.
Revised on: 14 February 2005.
Accepted on: 26 February 2005.
___________________Facta Universitatis-Series Electronics and Energetics