Submitted on: 18 March 2004.
Revised on: 29 May 2004.
Accepted on: 17 June 2004.
___________________Acta Crystallographica Section B-Structural Science Crystal Engineering and Materials
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Submitted on: 06 March 2002.
Revised on: 27 April 2002.
Accepted on: 30 May 2002.
___________________Acta Crystallographica Section B-Structural Science Crystal Engineering and Materials
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Submitted on: 13 August 2011.
Revised on: 20 September 2011.
Accepted on: 06 October 2011.
___________________Acta Crystallographica Section B-Structural Science Crystal Engineering and Materials
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