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‘¾“c ŒyÎŽ¿‰ÎŽRÓ‹ûŠâ—Þ ÷ˆä, 1931 ex –kŠC“¹‘åŠw—Šw•”ÂXŒ§’n‰ºŽ‘Œ¹’²¸’c, 1954

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Ota Pumiceous Volcaniclastic Rocks Sakurai, 1931 ex Hokkaido University, 1954

‘¾“c ‹ÃŠDŠâ•”‘w

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