Isaji, S.; Kato, H. (2011). A Fossil Pearl from the Upper Miocene Kubota Formation in the Higashitanagura Area, Fukushima Prefecture, Northeastern Japan. Venus (Journal of the Malacological Society of Japan). 69 (3-4): 195-201.
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Isaji, S.; Kato, H.
2011
A Fossil Pearl from the Upper Miocene Kubota Formation in the Higashitanagura Area, Fukushima Prefecture, Northeastern Japan
Venus (Journal of the Malacological Society of Japan)