<link http: www.lefigaro.fr sciences _blank external-link-new-window>La fonte du permafrost, une bombe climatique (Le Figaro, 2015/03/13)
<link http: earthobservatory.nasa.gov iotd _blank external-link-new-window>On the Edge of Ice in the Amundsen Gulf (Earth Observatory, 2015/03/11)

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