Submitted on: 21 April 1998.
Revised on: 05 August 1998.
Accepted on: 24 September 1998.
___________________Electronics---MDPI
Submitted on: 08 June 2011.
Revised on: 29 June 2011.
Accepted on: 24 August 2011.
___________________Electronics---MDPI
Submitted on: 29 January 2025.
Revised on: 09 May 2025.
Accepted on: 17 June 2025.
___________________Electronics---MDPI
Submitted on: 07 January 2001.
Revised on: 18 February 2001.
Accepted on: 08 April 2001.
___________________Electronics---MDPI
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Submitted on: 14 August 2004.
Revised on: 08 October 2004.
Accepted on: 05 December 2004.
___________________Electronics---MDPI