Submitted on: 10 January 2009.
Revised on: 12 February 2009.
Accepted on: 26 March 2009.
___________________ACS Macro Letters---AMER CHEMICAL SOC
Submitted on: 04 September 2002.
Revised on: 03 December 2002.
Accepted on: 13 January 2003.
___________________ACS Macro Letters---AMER CHEMICAL SOC
Submitted on: 21 March 2022.
Revised on: 21 May 2022.
Accepted on: 02 July 2022.
___________________ACS Macro Letters---AMER CHEMICAL SOC
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Submitted on: 31 July 2007.
Revised on: 11 October 2007.
Accepted on: 25 November 2007.
___________________ACS Macro Letters---AMER CHEMICAL SOC
Submitted on: 22 March 2012.
Revised on: 23 May 2012.
Accepted on: 06 June 2012.
___________________ACS Macro Letters---AMER CHEMICAL SOC
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Submitted on: 06 August 2010.
Revised on: 18 November 2010.
Accepted on: 23 December 2010.
___________________ACS Macro Letters---AMER CHEMICAL SOC
Submitted on: 21 January 2019.
Revised on: 08 May 2019.
Accepted on: 16 June 2019.
___________________ACS Macro Letters---AMER CHEMICAL SOC