Submitted on: 16 July 2007.
Revised on: 23 September 2007.
Accepted on: 09 October 2007.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
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Submitted on: 12 July 2006.
Revised on: 16 August 2006.
Accepted on: 29 August 2006.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
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Submitted on: 07 July 2009.
Revised on: 14 September 2009.
Accepted on: 11 October 2009.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
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Submitted on: 10 August 2024.
Revised on: 14 October 2024.
Accepted on: 13 November 2024.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
Submitted on: 04 March 1998.
Revised on: 26 March 1998.
Accepted on: 24 April 1998.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
Submitted on: 28 October 2000.
Revised on: 14 February 2001.
Accepted on: 24 March 2001.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL