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Tetsuo Ohata, Teruo Furukawa, Kazuo Osada, Glacioclimatological Study of Perennial Ice in the Fuji Ice Cave, Japan. Part 2. Interannual Variation and Relation to Climate, Arctic and Alpine Research, Vol. 26, No. 3 (Aug., 1994), pp. 238-244
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Ohata et al. (1994) studied this question.
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