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Original Articles

Correspondence

References

  • Zwicky, H., J. Signal AM, 5, 81 (1977).
  • Zwicky, H., Chimia, 31, 372 (1977).
  • Yule, J. A. C, J. Frallklin Inst., 239, 221 (1945).
  • Frank, K., preprints, Intermational Conference on Photographic Science, Tokyo (1967).

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