Submitted on: 18 January 2019.
Revised on: 08 March 2019.
Accepted on: 22 April 2019.
___________________Arquitecturas del Sur---UNIV BIO-BIO
Submitted on: 17 November 2000.
Revised on: 22 December 2000.
Accepted on: 13 January 2001.
___________________Arquitecturas del Sur---UNIV BIO-BIO
Submitted on: 22 January 2010.
Revised on: 02 May 2010.
Accepted on: 01 June 2010.
___________________Arquitecturas del Sur---UNIV BIO-BIO
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Submitted on: 05 November 2006.
Revised on: 10 December 2006.
Accepted on: 01 February 2007.
___________________Arquitecturas del Sur---UNIV BIO-BIO