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Submitted on: 20 September 2008.
Revised on: 05 December 2008.
Accepted on: 28 January 2009.
___________________GEOCHEMISTRY INTERNATIONAL---MAIK NAUKA/INTERPERIODICA/SPRINGER
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Submitted on: 25 November 2002.
Revised on: 19 March 2003.
Accepted on: 28 April 2003.
___________________GEOCHEMISTRY INTERNATIONAL---MAIK NAUKA/INTERPERIODICA/SPRINGER
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Submitted on: 25 February 2013.
Revised on: 13 May 2013.
Accepted on: 01 June 2013.
___________________GEOCHEMISTRY INTERNATIONAL---MAIK NAUKA/INTERPERIODICA/SPRINGER
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