Reference : - #037 Nagai (1989)

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#037 1989, Nagai, H., Supersonic vibration effect on the surface texture of Jurassic Eucyrtidiellum (Radiolaria). Bull. Nagoya Univ. Furukawa Museum, no.5, p.1-9, pl.1-5, text-fig.1, table 1. (in Japanese with English abstract)

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