References
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- Ikeda , S. , Noda , Y. , Tamura , I. , Sugimoto , H. and Yamada , Y. presented in this Conference
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- Kagan , Y. and Leggett , A. J. , eds. “ An extensive review is given ” . In Quantum Tunneling in Condensed Media: Modern Problems in Condensed Matter Sciences , Vol. 34 , North Holland .
- Details of the treatment are given in a separate paper (submitted to Phys. Rev. B1)