Okuno, H. (1959). Electron-microscopic fine structure of fossil Diatoms. VI. Transactions and Proceedings of the Palaeontological Society of Japan, new series, 36: 185-191.
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Okuno, H.
1959
Electron-microscopic fine structure of fossil Diatoms. VI.
Transactions and Proceedings of the Palaeontological Society of Japan, new series