Email address: m a t s u m o t o . r y o j i (at) f a c u l t y . c h i b a - u . j p The email address has been obscured to make harvesting more difficult. Please remove spaces and replace (at) with @.
Website
http://www.astro.phys.s.chiba-u.ac.jp/~matumoto/index-e.html
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Affiliation
Chiba Univ.