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Submitted on: 11 September 2012.
Revised on: 02 October 2012.
Accepted on: 09 November 2012.
___________________ASTROPARTICLE PHYSICS---ELSEVIER
Submitted on: 11 December 2009.
Revised on: 14 February 2010.
Accepted on: 08 March 2010.
___________________ASTROPARTICLE PHYSICS---ELSEVIER
Submitted on: 25 January 2000.
Revised on: 27 February 2000.
Accepted on: 17 April 2000.
___________________ASTROPARTICLE PHYSICS---ELSEVIER
Submitted on: 11 January 2015.
Revised on: 05 March 2015.
Accepted on: 28 March 2015.
___________________ASTROPARTICLE PHYSICS---ELSEVIER
Submitted on: 09 April 2015.
Revised on: 10 May 2015.
Accepted on: 05 June 2015.
___________________ASTROPARTICLE PHYSICS---ELSEVIER
Submitted on: 25 April 2013.
Revised on: 09 August 2013.
Accepted on: 01 October 2013.
___________________ASTROPARTICLE PHYSICS---ELSEVIER
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