References

Additional sources and materials

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20. Marshak R. E., Bethe H. A. On the two-meson hypothesis.— Phys. Rev., 1947, v. 72 21. Lattes S. M. G., Occhialini G. P. S., Powell C. F. Observations on the tracks oi siovy mesons in photographic emulsions.— Nature, 1947, v. 160. ,.22. Leighton R. B., Anderson C. D., Seriff A. I. The energy spectrum of the decay partic - les and the mass and spin of the mesotron.— Phys. Rev., 1949, v. 75.