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Submitted on: 13 February 2019.
Revised on: 14 March 2019.
Accepted on: 07 May 2019.
___________________EARTHQUAKE SPECTRA---SAGE PUBLICATIONS INC
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Submitted on: 18 August 2011.
Revised on: 08 November 2011.
Accepted on: 15 December 2011.
___________________EARTHQUAKE SPECTRA---SAGE PUBLICATIONS INC
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