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National Geographic Magazine 1961-09, September
National Geographic France – Mars 2015
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National Geographic Magazine 1953-02, February
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Iceland Magazine – March 2015
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National Geographic Colombia – 02 Febrero 2015
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National Geographic Portugal – Marco 2015
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National Geographic N 186 – Mars 2015
National Geographic Magazine 1960-08, August
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National Geographic Magazine 1958-12, December
Scottish Islands Explorer – March-April 2015
National Geographic Magazine 1960-03, March
