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Nishimura, S. and Katsura, I. (+33*) : Radon in soil gas : Application in cations in explorationand earthquake predictionl, in Geochemistry of gaseous elements and compounds, edits.
Durrance et al., p .31ῌ/--, THEOPHRASTSUS Pub., Greece, /-- p.

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Sano, Y. and Wakita, H. (+32-) : Geographic distributions of the -He/ .He ratios in Japan/
Implications for arc tectonics and incipient magmatism, Jour. Geophys. Res., 3*, 21,3ῌ
21.+.

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Tatsumi, Y. (+323) : Migration of ﬂuid phases and genesis of basaltic magmas, Jour. Geophys.
Res., 3., .031ῌ.1*1.

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