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Reconstruction of past variations of δ |
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| Authors: | S SUGAWARA K KAWAMURA † S AOKI T NAKAZAWA G HASHIDA |
| Institution: | Institute of Earth Science, Miyagi University of Education, Sendai 980-0845, Japan;;Center for Atmospheric and Oceanic Studies, Tohoku University, Sendai 980-8578, Japan;;National Institute of Polar Research, Tokyo 173-8515, Japan |
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