http://reply.papertrans.cn/1/32/3171/3171-11.png
Submitted on: 12 September 2008.
Revised on: 07 December 2008.
Accepted on: 23 January 2009.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
Submitted on: 29 August 2022.
Revised on: 11 November 2022.
Accepted on: 10 January 2023.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
Submitted on: 01 May 2015.
Revised on: 05 June 2015.
Accepted on: 03 July 2015.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
Submitted on: 21 April 2010.
Revised on: 15 May 2010.
Accepted on: 11 June 2010.
___________________AUT AUT---GRUPPO EDITORIALE SAGGIATORE
http://reply.papertrans.cn/1/32/3171/3171-16.png
http://reply.papertrans.cn/1/32/3171/3171-17.png
http://reply.papertrans.cn/1/32/3171/3171-18.png
http://reply.papertrans.cn/1/32/3171/3171-19.png
http://reply.papertrans.cn/1/32/3171/3171-20.png