Submitted on: 16 March 2002.
Revised on: 11 June 2002.
Accepted on: 09 July 2002.
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Submitted on: 01 April 2004.
Revised on: 14 June 2004.
Accepted on: 25 July 2004.
___________________JOURNAL OF CRYSTAL GROWTH---ELSEVIER
Submitted on: 07 January 2001.
Revised on: 15 March 2001.
Accepted on: 29 April 2001.
___________________JOURNAL OF CRYSTAL GROWTH---ELSEVIER
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Submitted on: 07 June 2004.
Revised on: 30 June 2004.
Accepted on: 31 July 2004.
___________________JOURNAL OF CRYSTAL GROWTH---ELSEVIER
Submitted on: 06 March 2008.
Revised on: 23 May 2008.
Accepted on: 06 July 2008.
___________________JOURNAL OF CRYSTAL GROWTH---ELSEVIER
Submitted on: 01 September 2000.
Revised on: 19 October 2000.
Accepted on: 13 November 2000.
___________________JOURNAL OF CRYSTAL GROWTH---ELSEVIER