- ...Hirano,
- T. Hirano is with the
Institute of Physics, The University of Tokyo, Komaba, Tokyo 153,
Japan. E-mail:hirano@phys3.c.u-tokyo.ac.jp .
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- ...Kuga
- T. Kuga is with the
Institute of Physics, The University of Tokyo, Komaba, Tokyo 153,
Japan. E-mail:kuga@Asone.c.u-tokyo.ac.jp .
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