Submitted on: 29 December 2006.
Revised on: 19 March 2007.
Accepted on: 17 May 2007.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
http://reply.papertrans.cn/1/51/5043/5043-22.png
http://reply.papertrans.cn/1/51/5043/5043-23.png
http://reply.papertrans.cn/1/51/5043/5043-24.png
Submitted on: 11 July 1999.
Revised on: 30 September 1999.
Accepted on: 18 October 1999.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
http://reply.papertrans.cn/1/51/5043/5043-26.png
Submitted on: 29 August 2009.
Revised on: 18 December 2009.
Accepted on: 15 February 2010.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
Submitted on: 09 April 2009.
Revised on: 14 July 2009.
Accepted on: 26 August 2009.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
Submitted on: 12 August 2018.
Revised on: 20 November 2018.
Accepted on: 26 December 2018.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL
Submitted on: 10 March 2023.
Revised on: 22 May 2023.
Accepted on: 18 July 2023.
___________________Chalcogenide Letters---VIRTUAL CO PHYSICS SRL