Submitted on: 14 April 2001.
Revised on: 21 July 2001.
Accepted on: 14 September 2001.
___________________Journal of Historical Linguistics
Submitted on: 22 February 2004.
Revised on: 18 March 2004.
Accepted on: 16 April 2004.
___________________Journal of Historical Linguistics
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Submitted on: 18 August 2005.
Revised on: 08 September 2005.
Accepted on: 29 September 2005.
___________________Journal of Historical Linguistics
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Submitted on: 15 January 2010.
Revised on: 19 February 2010.
Accepted on: 02 April 2010.
___________________Journal of Historical Linguistics
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