Submitted on: 13 January 1999.
Revised on: 12 March 1999.
Accepted on: 13 April 1999.
___________________Cadernos de Dereito Actual---UNIV SANTIAGO COMPOSTELA
Submitted on: 20 February 1998.
Revised on: 29 April 1998.
Accepted on: 27 June 1998.
___________________Cadernos de Dereito Actual---UNIV SANTIAGO COMPOSTELA
Submitted on: 06 April 2018.
Revised on: 30 July 2018.
Accepted on: 01 September 2018.
___________________Cadernos de Dereito Actual---UNIV SANTIAGO COMPOSTELA
Submitted on: 11 December 2016.
Revised on: 22 January 2017.
Accepted on: 25 February 2017.
___________________Cadernos de Dereito Actual---UNIV SANTIAGO COMPOSTELA
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Submitted on: 25 October 2001.
Revised on: 16 February 2002.
Accepted on: 13 March 2002.
___________________Cadernos de Dereito Actual---UNIV SANTIAGO COMPOSTELA
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Submitted on: 26 July 2011.
Revised on: 12 September 2011.
Accepted on: 27 September 2011.
___________________Cadernos de Dereito Actual---UNIV SANTIAGO COMPOSTELA
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