Submitted on: 21 February 2003.
Revised on: 15 March 2003.
Accepted on: 10 May 2003.
___________________APL Materials---AIP PUBLISHING
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Submitted on: 21 August 2000.
Revised on: 25 November 2000.
Accepted on: 22 December 2000.
___________________APL Materials---AIP PUBLISHING
Submitted on: 17 April 2003.
Revised on: 24 June 2003.
Accepted on: 10 July 2003.
___________________APL Materials---AIP PUBLISHING
Submitted on: 02 November 2000.
Revised on: 18 February 2001.
Accepted on: 17 March 2001.
___________________APL Materials---AIP PUBLISHING
Submitted on: 23 March 2005.
Revised on: 15 April 2005.
Accepted on: 28 April 2005.
___________________APL Materials---AIP PUBLISHING
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Submitted on: 08 April 2004.
Revised on: 18 July 2004.
Accepted on: 23 August 2004.
___________________APL Materials---AIP PUBLISHING