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Submitted on: 31 May 1998.
Revised on: 14 September 1998.
Accepted on: 07 November 1998.
___________________INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
Submitted on: 27 April 2017.
Revised on: 11 July 2017.
Accepted on: 25 July 2017.
___________________INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
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Submitted on: 25 September 2005.
Revised on: 13 November 2005.
Accepted on: 21 December 2005.
___________________INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
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Submitted on: 26 June 1999.
Revised on: 19 October 1999.
Accepted on: 04 November 1999.
___________________INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES