http://reply.papertrans.cn/2/127/12617/12617-21.png
http://reply.papertrans.cn/2/127/12617/12617-22.png
Submitted on: 16 December 2002.
Revised on: 24 February 2003.
Accepted on: 10 April 2003.
___________________Ingegneria Sismica---PATRON EDITORE S R L
http://reply.papertrans.cn/2/127/12617/12617-24.png
Submitted on: 17 June 2012.
Revised on: 25 July 2012.
Accepted on: 22 August 2012.
___________________Ingegneria Sismica---PATRON EDITORE S R L
http://reply.papertrans.cn/2/127/12617/12617-26.png
Submitted on: 06 May 2003.
Revised on: 28 July 2003.
Accepted on: 10 August 2003.
___________________Ingegneria Sismica---PATRON EDITORE S R L
Submitted on: 06 November 2000.
Revised on: 18 February 2001.
Accepted on: 09 March 2001.
___________________Ingegneria Sismica---PATRON EDITORE S R L
Submitted on: 09 February 2009.
Revised on: 02 April 2009.
Accepted on: 30 April 2009.
___________________Ingegneria Sismica---PATRON EDITORE S R L
Submitted on: 07 May 2020.
Revised on: 01 August 2020.
Accepted on: 21 August 2020.
___________________Ingegneria Sismica---PATRON EDITORE S R L