Submitted on: 07 May 2012.
Revised on: 27 June 2012.
Accepted on: 31 July 2012.
___________________Bulletin of Engineering Geology and the Environment
Submitted on: 26 January 2018.
Revised on: 04 May 2018.
Accepted on: 15 June 2018.
___________________Bulletin of Engineering Geology and the Environment
Submitted on: 17 February 2013.
Revised on: 15 June 2013.
Accepted on: 03 July 2013.
___________________Bulletin of Engineering Geology and the Environment
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Submitted on: 18 June 2000.
Revised on: 06 October 2000.
Accepted on: 17 November 2000.
___________________Bulletin of Engineering Geology and the Environment
http://reply.papertrans.cn/1/44/4313/4313-36.png