@inproceedings{NSR1977PLZX,
  author="M. {Ploszajczak} and A. {Faessler}",
  title="Backbending in the Negative Parity Rotational Bands in $^{156}$Er",
  booktitle="Intern.Symp.High-Spin States and Nuclear Structure",
  year=1977
}
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*  Note: Translation from NSR format to bibTex is imperfect. Entries       *
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*    "secondary" sources such as conference proceedings, lab reports, etc. *
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