Submitted on: 17 October 2000.
Revised on: 24 November 2000.
Accepted on: 08 December 2000.
___________________Anales de Filologia Francesa---UNIV MURCIA
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Submitted on: 23 February 2012.
Revised on: 28 March 2012.
Accepted on: 13 May 2012.
___________________Anales de Filologia Francesa---UNIV MURCIA
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