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- National geographic. Vol. 217, no. 5, 2010 Washington : National Geographic Society, 2010 . ISSN 0027-9358
- National geographic. Vol. 217, no. 2, 2010 Washington : National Geographic Society, 2010 . ISSN 0027-9358
- National geographic. Vol. 217, no. 3, 2010 Washington : National Geographic Society, 2010 . ISSN 0027-9358
- National geographic. Vol. 217, no. 4, 2010 Washington : National Geographic Society, 2010 . ISSN 0027-9358
- National geographic. Vol. 217, no. 1, 2010 Washington : National Geographic Society, 2010 . ISSN 0027-9358
- National geographic. Vol. 217, no. 6, 2010 Washington : National Geographic Society, 2010 . ISSN 0027-9358