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American Scientist Published by: Sigma Xi, The Scientific Research Honor Society (United States of America) Subject: Sciences: Comprehensive Works Language: English Published: 1913 ISSN: 0003-0996, 1545-2786 Available at 39 Universities. | |||
National geographic Published by: National Geographic Society (United States of America) Subject: Geography Children And Youth Environmental Studies Language: English Published: 1888 ISSN: 0027-9358 Available at 118 Universities. |