@article{NSR1982BA65,
  author="M. {Baumgartner} and H. P. {Gubler} and G. R. {Plattner} and W. D. {Ramsay} and H. W. {Roser} and I. {Sick} and P. {Zupranski} and J. P. {Egger}",
  title="Quasi Free $\pi ^{-}$-$^{4}$He Scattering",
  journal="Helv.Phys.Acta",
  year=1982,
  volume="55",
  pages="244"
}
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