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Kazuya Kumagai

japan aerospace exploration agency (jaxa)

17H-index
86Paper Count
2.4KCitation Count
Published Papers 14
Publication Date
Initial study of regolith exposure ages and burial conditions on Ryugu: Cosmogenic nuclides score in two touchdowns
err2026-02-01
err1
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errNishiizumi, Kunihiko; Nagao, Keisuke; Caffee, Marc W.; Okazaki, Ryuji; Masarik, Jozef; Yurimoto, Hisayoshi; Nakamura, Tomoki; Noguchi, Takaaki; Naraoka, Hiroshi; Yabuta, Hikaru; Sakamoto, Kanako; Yogata, Kasumi; Yada, Toru; Tachibana, Shogo; Watanabe, Sei-ichiro; Tsuda, Yuichi; Abe, Masanao; Kumagai, Kazuya; Miyazaki, Akiko; Nakato, Aiko; Nakazawa, Satoru; Nishimura, Masahiro; Okada, Tatsuaki; Saiki, Takanao; Sawada, Hirotaka; Tanaka, Satoshi; Usui, Tomohiro; Wada, Koji; Yano, Hajime; Yoshikawa, Makoto
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Phosphorus-rich grains in Ryugu samples with major biochemical potential
err2024-09-25
err1
PREAI
errPilorget, C.; Baklouti, D.; Bibring, J. -p.; Brunetto, R.; Ito, M.; Franchi, I.; Tomioka, N.; Uesugi, M.; Yamaguchi, A.; Greenwood, R.; Okada, T.; Usui, T.; Yada, T.; Hatakeda, K.; Yogata, K.; Loizeau, D.; Le Pivert-Jolivet, T.; Jiang, T.; Carter, J.; Hamm, V.; Abe, M.; Aleon-Toppani, A.; Borondics, F.; Enokido, Y.; Hitomi, Y.; Imae, N.; Karouji, Y.; Kumagai, K.; Kimura, M.; Langevin, Y.; Lantz, C.; Liu, M. -c.; Mahlke, M.; Miyazaki, A.; Mughal, Z.; Nagashima, K.; Nakano, A.; Nakata, A.; Nakato, A.; Nishimura, M.; Ohigashi, T.; Ojima, T.; Poulet, F.; Riu, L.; Shirai, N.; Sugiyama, Y.; Tahara, R.; Uesugi, K.; Yasutake, M.; Yuzawa, H.; Moussi-Soffys, A.; Nakazawa, S.; Saiki, T.; Terui, F.; Yoshikawa, M.; Tanaka, S.; Watanabe, S.; Tsuda, Y.
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A curation for uncontaminated Hayabusa2-returned samples in the extraterrestrial curation center of JAXA: from the beginning to present day
err2023-11-15
err7
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errYada, Toru; Abe, Masanao; Nishimura, Masahiro; Sawada, Hirotaka; Okazaki, Ryuji; Takano, Yoshinori; Sakamoto, Kanako; Okada, Tatsuaki; Nakato, Aiko; Yoshitake, Miwa; Nakano, Yuki; Yogata, Kasumi; Miyazaki, Akiko; Furuya, Shizuho; Iwamae, Ayako S.; Nakatsubo, Shunichi; Hatakeda, Kentaro; Hitomi, Yuya; Kumagai, Kazuya; Suzuki, Shino; Miura, Yayoi N.; Ito, Motoo; Tomioka, Naotaka; Uesugi, Masayuki; Karouji, Yuzuru; Uesugi, Kentaro; Shirai, Naoki; Yamaguchi, Akira; Imae, Naoya; Naraoka, Hiroshi; Yamamoto, Yuhji; Tachibana, Shogo; Yurimoto, Hisayoshi; Usui, Tomohiro
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A newly revised estimation of bulk densities and examination of the shape of individual Ryugu grains
err2023-11-15
err8
errOAAI
errMiyazaki, Akiko; Yada, Toru; Yogata, Kasumi; Hatakeda, Kentaro; Nakato, Aiko; Nishimura, Masahiro; Nagashima, Kana; Kumagai, Kazuya; Hitomi, Yuya; Soejima, Hiromichi; Tahara, Rui; Kanemaru, Rei; Nakano, Arisa; Yoshitake, Miwa; Iwamae, Ayako; Furuya, Shizuho; Tsuchiyama, Akira; Tachibana, Shogo; Michikami, Tatsuhiro; Okada, Tatsuaki; Abe, Masanao; Usui, Tomohiro
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Space weathering record and pristine state of Ryugu samples from MicrOmega spectral analysis
err2023-10-05
err13
PREAI
errLe Pivert-Jolivet, T.; Brunetto, R.; Pilorget, C.; Bibring, J. -p.; Nakato, A.; Hamm, V.; Hatakeda, K.; Lantz, C.; Loizeau, D.; Riu, L.; Yogata, K.; Baklouti, D.; Poulet, F.; Aleon-Toppani, A.; Carter, J.; Langevin, Y.; Okada, T.; Yada, T.; Hitomi, Y.; Kumagai, K.; Miyazaki, A.; Nagashima, K.; Nishimura, M.; Usui, T.; Abe, M.; Saiki, T.; Tanaka, S.; Nakazawa, S.; Tsuda, Y.; Watanabe, S.
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Homogeneity and heterogeneity in near-infrared FTIR spectra of Ryugu returned samples
err2023-03-28
err9
errOAAI
errHatakeda, Kentaro; Yada, Toru; Abe, Masanao; Okada, Tatsuaki; Nakato, Aiko; Yogata, Kasumi; Miyazaki, Akiko; Kumagai, Kazuya; Nishimura, Masahiro; Hitomi, Yuya; Soejima, Hiromichi; Nagashima, Kana; Yoshitake, Miwa; Iwamae, Ayako; Furuya, Shizuho; Usui, Tomohiro; Kitazato, Kohei
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Variations of the surface characteristics of Ryugu returned samples
err2023-03-28
err11
errOAAI
errNakato, Aiko; Yada, Toru; Nishimura, Masahiro; Yogata, Kasumi; Miyazaki, Akiko; Nagashima, Kana; Hatakeda, Kentaro; Kumagai, Kazuya; Hitomi, Yuya; Soejima, Hiromichi; Bibring, Jean-Pierre; Pilorget, Cedric; Hamm, Vincent; Brunetto, Rosario; Riu, Lucie; Lourit, Lionel; Loizeau, Damien; Le Pivert-Jolivet, Tania; Lequertier, Guillaume; Moussi-Soffys, Aurelie; Abe, Masanao; Okada, Tatsuaki; Usui, Tomohiro; Nakazawa, Satoru; Saiki, Takanao; Tanaka, Satoshi; Terui, Fuyuto; Yoshikawa, Makoto; Watanabe, Sei-ichiro; Tsuda, Yuichi
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Constraints on Solar System early evolution by MicrOmega analysis of Ryugu carbonates
err2023-01-12
err11
PREAI
errLoizeau, D.; Pilorget, C.; Riu, L.; Brunetto, R.; Bibring, J. -P.; Nakato, A.; Aleon-Toppani, A.; Hatakeda, K.; Yogata, K.; Carter, J.; Le Pivert-Jolivet, T.; Yada, T.; Okada, T.; Usui, T.; Langevin, Y.; Lantz, C.; Baklouti, D.; Miyazaki, A.; Nishimura, M.; Nagashima, K.; Kumagai, K.; Hitomi, Y.; Abe, M.; Saiki, T.; Tanaka, S.; Nakazawa, S.; Tsuda, Y.; Watanabe, S.
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A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu
err2022-12-19
err74
errOAAI
errNoguchi, Takaaki; Matsumoto, Toru; Miyake, Akira; Igami, Yohei; Haruta, Mitsutaka; Saito, Hikaru; Hata, Satoshi; Seto, Yusuke; Miyahara, Masaaki; Tomioka, Naotaka; Ishii, Hope A.; Bradley, John P.; Ohtaki, Kenta K.; Dobrica, Elena; Leroux, Hugues; Le Guillou, Corentin; Jacob, Damien; de la Pena, Francisco; Laforet, Sylvain; Marinova, Maya; Langenhorst, Falko; Harries, Dennis; Beck, Pierre; Phan, Thi H., V; Rebois, Rolando; Abreu, Neyda M.; Gray, Jennifer; Zega, Thomas; Zanetta, Pierre-M; Thompson, Michelle S.; Stroud, Rhonda; Burgess, Kate; Cymes, Brittany A.; Bridges, John C.; Hicks, Leon; Lee, Martin R.; Daly, Luke; Bland, Phil A.; Zolensky, Michael E.; Frank, David R.; Martinez, James; Tsuchiyama, Akira; Yasutake, Masahiro; Matsuno, Junya; Okumura, Shota; Mitsukawa, Itaru; Uesugi, Kentaro; Uesugi, Masayuki; Takeuchi, Akihisa; Sun, Mingqi; Enju, Satomi; Takigawa, Aki; Michikami, Tatsuhiro; Nakamura, Tomoki; Matsumoto, Megumi; Nakauchi, Yusuke; Abe, Masanao; Arakawa, Masahiko; Fujii, Atsushi; Hayakawa, Masahiko; Hirata, Naru; Hirata, Naoyuki; Honda, Rie; Honda, Chikatoshi; Hosoda, Satoshi; Iijima, Yu-ichi; Ikeda, Hitoshi; Ishiguro, Masateru; Ishihara, Yoshiaki; Iwata, Takahiro; Kawahara, Kousuke; Kikuchi, Shota; Kitazato, Kohei; Matsumoto, Koji; Matsuoka, Moe; Mimasu, Yuya; Miura, Akira; Morota, Tomokatsu; Nakazawa, Satoru; Namiki, Noriyuki; Noda, Hirotomo; Noguchi, Rina; Ogawa, Naoko; Ogawa, Kazunori; Okada, Tatsuaki; Okamoto, Chisato; Ono, Go; Ozaki, Masanobu; Saiki, Takanao; Sakatani, Naoya; Sawada, Hirotaka; Senshu, Hiroki; Shimaki, Yuri; Shirai, Kei; Sugita, Seiji; Takei, Yuto; Takeuchi, Hiroshi; Tanaka, Satoshi; Tatsumi, Eri; Terui, Fuyuto; Tsukizaki, Ryudo; Wada, Koji; Yamada, Manabu; Yamada, Tetsuya; Yamamoto, Yukio; Yano, Hajime; Yokota, Yasuhiro; Yoshihara, Keisuke; Yoshikawa, Makoto; Yoshikawa, Kent; Fukai, Ryohta; Furuya, Shizuho; Hatakeda, Kentaro; Hayashi, Tasuku; Hitomi, Yuya; Kumagai, Kazuya; Miyazaki, Akiko; Nakato, Aiko; Nishimura, Masahiro; Soejima, Hiromichi; Suzuki, Ayako, I; Usui, Tomohiro; Yada, Toru; Yamamoto, Daiki; Yogata, Kasumi; Yoshitake, Miwa; Connolly, Harold C., Jr.; Lauretta, Dante S.; Yurimoto, Hisayoshi; Nagashima, Kazuhide; Kawasaki, Noriyuki; Sakamoto, Naoya; Okazaki, Ryuji; Yabuta, Hikaru; Naraoka, Hiroshi; Sakamoto, Kanako; Tachibana, Shogo; Watanabe, Sei-ichiro; Tsuda, Yuichi
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First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu
err2022-11-16
err16
errOAAI
errOkazaki, Ryuji; Miura, Yayoi N.; Takano, Yoshinori; Sawada, Hirotaka; Sakamoto, Kanako; Yada, Toru; Yamada, Keita; Kawagucci, Shinsuke; Matsui, Yohei; Hashizume, Ko; Ishida, Akizumi; Broadley, Michael W.; Marty, Bernard; Byrne, David; Furi, Evelyn; Meshik, Alex; Pravdivtseva, Olga; Busemann, Henner; Riebe, My E., I; Gilmour, Jamie; Park, Jisun; Bajo, Ken-ichi; Righter, Kevin; Sakai, Saburo; Sekimoto, Shun; Kitajima, Fumio; Crowther, Sarah A.; Iwata, Naoyoshi; Shirai, Naoki; Ebihara, Mitsuru; Yokochi, Reika; Nishiizumi, Kunihiko; Nagao, Keisuke; Lee, Jong Ik; Clay, Patricia; Kano, Akihiro; Caffee, Marc W.; Uemura, Ryu; Inagaki, Makoto; Krietsch, Daniela; Maden, Colin; Yamamoto, Mizuki; Fawcett, Lydia; Lawton, Thomas; Nakamura, Tomoki; Naraoka, Hiroshi; Noguchi, Takaaki; Yabuta, Hikaru; Yurimoto, Hisayoshi; Tsuda, Yuichi; Watanabe, Sei-Ichiro; Abe, Masanao; Arakawa, Masahiko; Fujii, Atsushi; Hayakawa, Masahiko; Hirata, Naoyuki; Hirata, Naru; Honda, Rie; Honda, Chikatoshi; Hosoda, Satoshi; Iijima, Yu-Ichi; Ikeda, Hitoshi; Ishiguro, Masateru; Ishihara, Yoshiaki; Iwata, Takahiro; Kawahara, Kosuke; Kikuchi, Shota; Kitazato, Kohei; Matsumoto, Koji; Matsuoka, Moe; Michikami, Tatsuhiro; Mimasu, Yuya; Miura, Akira; Morota, Tomokatsu; Nakazawa, Satoru; Namiki, Noriyuki; Noda, Hirotomo; Noguchi, Rina; Ogawa, Naoko; Ogawa, Kazunori; Okada, Tatsuaki; Okamoto, Chisato; Ono, Go; Ozaki, Masanobu; Saiki, Takanao; Sakatani, Naoya; Senshu, Hiroki; Shimaki, Yuri; Shirai, Kei; Sugita, Seiji; Takei, Yuto; Takeuchi, Hiroshi; Tanaka, Satoshi; Tatsumi, Eri; Terui, Fuyuto; Tsukizaki, Ryudo; Wada, Koji; Yamada, Manabu; Yamada, Tetsuya; Yamamoto, Yukio; Yano, Hajime; Yokota, Yasuhiro; Yoshihara, Keisuke; Yoshikawa, Makoto; Yoshikawa, Kent; Furuya, Shizuho; Hatakeda, Kentaro; Hayashi, Tasuku; Hitomi, Yuya; Kumagai, Kazuya; Miyazaki, Akiko; Nakato, Aiko; Nishimura, Masahiro; Soejima, Hiromichi; Iwamae, Ayako; Yamamoto, Daiki; Yogata, Kasumi; Yoshitake, Miwa; Fukai, Ryota; Usui, Tomohiro; Ireland, Trevor; Connolly, Harold C., Jr.; Lauretta, Dante S.; Tachibana, Shogo
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A pristine record of outer Solar System materials from asteroid Ryugu's returned sample
err2022-08-15
err83
errOAAI
errIto, Motoo; Tomioka, Naotaka; Uesugi, Masayuki; Yamaguchi, Akira; Shirai, Naoki; Ohigashi, Takuji; Liu, Ming-Chang; Greenwood, Richard C.; Kimura, Makoto; Imae, Naoya; Uesugi, Kentaro; Nakato, Aiko; Yogata, Kasumi; Yuzawa, Hayato; Kodama, Yu; Tsuchiyama, Akira; Yasutake, Masahiro; Findlay, Ross; Franchi, Ian A.; Malley, James A.; McCain, Kaitlyn A.; Matsuda, Nozomi; McKeegan, Kevin D.; Hirahara, Kaori; Takeuchi, Akihisa; Sekimoto, Shun; Sakurai, Ikuya; Okada, Ikuo; Karouji, Yuzuru; Arakawa, Masahiko; Fujii, Atsushi; Fujimoto, Masaki; Hayakawa, Masahiko; Hirata, Naoyuki; Hirata, Naru; Honda, Rie; Honda, Chikatoshi; Hosoda, Satoshi; Iijima, Yu-ichi; Ikeda, Hitoshi; Ishiguro, Masateru; Ishihara, Yoshiaki; Iwata, Takahiro; Kawahara, Kosuke; Kikuchi, Shota; Kitazato, Kohei; Matsumoto, Koji; Matsuoka, Moe; Michikami, Tatsuhiro; Mimasu, Yuya; Miura, Akira; Mori, Osamu; Morota, Tomokatsu; Nakazawa, Satoru; Namiki, Noriyuki; Noda, Hirotomo; Noguchi, Rina; Ogawa, Naoko; Ogawa, Kazunori; Okada, Tatsuaki; Okamoto, Chisato; Ono, Go; Ozaki, Masanobu; Saiki, Takanao; Sakatani, Naoya; Sawada, Hirotaka; Senshu, Hiroki; Shimaki, Yuri; Shirai, Kei; Sugita, Seiji; Takei, Yuto; Takeuchi, Hiroshi; Tanaka, Satoshi; Tatsumi, Eri; Terui, Fuyuto; Tsukizaki, Ryudo; Wada, Koji; Yamada, Manabu; Yamada, Tetsuya; Yamamoto, Yukio; Yano, Hajime; Yokota, Yasuhiro; Yoshihara, Keisuke; Yoshikawa, Makoto; Yoshikawa, Kent; Fukai, Ryota; Furuya, Shizuho; Hatakeda, Kentaro; Hayashi, Tasuku; Hitomi, Yuya; Kumagai, Kazuya; Miyazaki, Akiko; Nishimura, Masahiro; Soejima, Hiromichi; Iwamae, Ayako; Yamamoto, Daiki; Yoshitake, Miwa; Yada, Toru; Abe, Masanao; Usui, Tomohiro; Watanabe, Sei-ichiro; Tsuda, Yuichi
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On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective
err2022-06-10
err124
errOAAI
errNakamura, Eizo; Kobayashi, Katsura; Tanaka, Ryoji; Kunihiro, Tak; Kitagawa, Hiroshi; Potiszil, Christian; Ota, Tsutomu; Sakaguchi, Chie; Yamanaka, Masahiro; Ratnayake, Dilan M.; Tripathi, Havishk; Kumar, Rahul; Avramescu, Maya-Liliana; Tsuchida, Hidehisa; Yachi, Yusuke; Miura, Hitoshi; Abe, Masanao; Fukai, Ryota; Furuya, Shizuho; Hatakeda, Kentaro; Hayashi, Tasuku; Hitomi, Yuya; Kumagai, Kazuya; Miyazaki, Akiko; Nakato, Aiko; Nishimura, Masahiro; Okada, Tatsuaki; Soejima, Hiromichi; Sugita, Seiji; Suzuki, Ayako; Usui, Tomohiro; Yada, Toru; Yamamoto, Daiki; Yogata, Kasumi; Yoshitake, Miwa; Arakawa, Masahiko; Fujii, Atsushi; Hayakawa, Masahiko; Hirata, Naoyuki; Hirata, Naru; Honda, Rie; Honda, Chikatoshi; Hosoda, Satoshi; Iijima, Yu-ichi; Ikeda, Hitoshi; Ishiguro, Masateru; Ishihara, Yoshiaki; Iwata, Takahiro; Kawahara, Kosuke; Kikuchi, Shota; Kitazato, Kohei; Matsumoto, Koji; Matsuoka, Moe; Michikami, Tatsuhiro; Mimasu, Yuya; Miura, Akira; Morota, Tomokatsu; Nakazawa, Satoru; Namiki, Noriyuki; Noda, Hirotomo; Noguchi, Rina; Ogawa, Naoko; Ogawa, Kazunori; Okamoto, Chisato; Ono, Go; Ozaki, Masanobu; Saiki, Takanao; Sakatani, Naoya; Sawada, Hirotaka; Senshu, Hiroki; Shimaki, Yuri; Shirai, Kei; Takei, Yuto; Takeuchi, Hiroshi; Tanaka, Satoshi; Tatsumi, Eri; Terui, Fuyuto; Tsukizaki, Ryudo; Wada, Koji; Yamada, Manabu; Yamada, Tetsuya; Yamamoto, Yukio; Yano, Hajime; Yokota, Yasuhiro; Yoshihara, Keisuke; Yoshikawa, Makoto; Yoshikawa, Kent; Fujimoto, Masaki; Watanabe, Sei-ichiro; Tsuda, Yuichi
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Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu
err2021-12-20
err209
errOAAI
errYada, Toru; Abe, Masanao; Okada, Tatsuaki; Nakato, Aiko; Yogata, Kasumi; Miyazaki, Akiko; Hatakeda, Kentaro; Kumagai, Kazuya; Nishimura, Masahiro; Hitomi, Yuya; Soejima, Hiromichi; Yoshitake, Miwa; Iwamae, Ayako; Furuya, Shizuho; Uesugi, Masayuki; Karouji, Yuzuru; Usui, Tomohiro; Hayashi, Tasuku; Yamamoto, Daiki; Fukai, Ryota; Sugita, Seiji; Cho, Yuichiro; Yumoto, Koki; Yabe, Yuna; Bibring, Jean-Pierre; Pilorget, Cedric; Hamm, Vincent; Brunetto, Rosario; Riu, Lucie; Lourit, Lionel; Loizeau, Damien; Lequertier, Guillaume; Moussi-Soffys, Aurelie; Tachibana, Shogo; Sawada, Hirotaka; Okazaki, Ryuji; Takano, Yoshinori; Sakamoto, Kanako; Miura, Yayoi N.; Yano, Hajime; Ireland, Trevor R.; Yamada, Tetsuya; Fujimoto, Masaki; Kitazato, Kohei; Namiki, Noriyuki; Arakawa, Masahiko; Hirata, Naru; Yurimoto, Hisayoshi; Nakamura, Tomoki; Noguchi, Takaaki; Yabuta, Hikaru; Naraoka, Hiroshi; Ito, Motoo; Nakamura, Eizo; Uesugi, Kentaro; Kobayashi, Katsura; Michikami, Tatsuhiro; Kikuchi, Hiroshi; Hirata, Naoyuki; Ishihara, Yoshiaki; Matsumoto, Koji; Noda, Hirotomo; Noguchi, Rina; Shimaki, Yuri; Shirai, Kei; Ogawa, Kazunori; Wada, Koji; Senshu, Hiroki; Yamamoto, Yukio; Morota, Tomokatsu; Honda, Rie; Honda, Chikatoshi; Yokota, Yasuhiro; Matsuoka, Moe; Sakatani, Naoya; Tatsumi, Eri; Miura, Akira; Yamada, Manabu; Fujii, Atsushi; Hirose, Chikako; Hosoda, Satoshi; Ikeda, Hitoshi; Iwata, Takahiro; Kikuchi, Shota; Mimasu, Yuya; Mori, Osamu; Ogawa, Naoko; Ono, Go; Shimada, Takanobu; Soldini, Stefania; Takahashi, Tadateru; Takei, Yuto; Takeuchi, Hiroshi; Tsukizaki, Ryudo; Yoshikawa, Kent; Terui, Fuyuto; Nakazawa, Satoru; Tanaka, Satoshi; Saiki, Takanao; Yoshikawa, Makoto; Watanabe, Sei-ichiro; Tsuda, Yuichi
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First compositional analysis of Ryugu samples by the MicrOmega hyperspectral microscope
err2021-12-20
err99
PREAI
errPilorget, C.; Okada, T.; Hamm, V; Brunetto, R.; Yada, T.; Loizeau, D.; Riu, L.; Usui, T.; Moussi-Soffys, A.; Hatakeda, K.; Nakato, A.; Yogata, K.; Abe, M.; Aleon-Toppani, A.; Carter, J.; Chaigneau, M.; Crane, B.; Gondet, B.; Kumagai, K.; Langevin, Y.; Lantz, C.; Le Pivert-Jolivet, T.; Lequertier, G.; Lourit, L.; Miyazaki, A.; Nishimura, M.; Poulet, F.; Arakawa, M.; Hirata, N.; Kitazato, K.; Nakazawa, S.; Namiki, N.; Saiki, T.; Sugita, S.; Tachibana, S.; Tanaka, S.; Yoshikawa, M.; Tsuda, Y.; Watanabe, S.; Bibring, J-P
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