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Submitted on: 24 February 2012.
Revised on: 29 April 2012.
Accepted on: 31 May 2012.
___________________Information Geographique---ARMAND COLIN
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http://reply.papertrans.cn/2/126/12566/12566-14.png
Submitted on: 02 December 2015.
Revised on: 17 March 2016.
Accepted on: 07 April 2016.
___________________Information Geographique---ARMAND COLIN
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http://reply.papertrans.cn/2/126/12566/12566-18.png
Submitted on: 19 March 2018.
Revised on: 10 April 2018.
Accepted on: 29 April 2018.
___________________Information Geographique---ARMAND COLIN
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