Browsing by Author Etsuko Katsumata
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| Issue Date | Title | Author(s) |
|---|---|---|
| 2020 | Growth and reproduction of captive Pacific Walrus (Odobenus rosmarus divergens) | Etsuko Katsumata; Hiroshi Katsumata; Kazutoshi Arai; Yoshiaki Nakano; Kazuyoshi Taya |