Submitted on: 30 September 2012.
Revised on: 03 December 2012.
Accepted on: 29 December 2012.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
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Submitted on: 17 November 2020.
Revised on: 08 February 2021.
Accepted on: 22 March 2021.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
Submitted on: 17 October 2001.
Revised on: 28 December 2001.
Accepted on: 17 February 2002.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
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Submitted on: 09 October 2002.
Revised on: 24 November 2002.
Accepted on: 31 December 2002.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
http://reply.papertrans.cn/1/32/3171/3171-27.png
http://reply.papertrans.cn/1/32/3171/3171-28.png
Submitted on: 25 September 1998.
Revised on: 29 December 1998.
Accepted on: 30 January 1999.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
Submitted on: 28 June 2010.
Revised on: 06 September 2010.
Accepted on: 27 September 2010.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE