All abstracts by Akira Usui at Goldschmidt2019
| (2019) Neodymium Isotopic Composition of Surface Layer of Ferromanganese Crusts Collected from Two Seamounts Located at the Northwest Pacific
Amakawa H, Usui A & Suzuki K |
| (2019) Tellurium Isotope Analysis for the Surface Layer of the Ferromanganese Crusts from Two Seamounts in Northwest Pacific
Fukami Y, Kashiwabara T, Amakawa H, Shibuya T, Usui A & Suzuki K |