Low-frequency modes in the Raman spectra of proteins.

@article{Painter1982LowfrequencyMI,
  title={Low-frequency modes in the Raman spectra of proteins.},
  author={Pennell C. Painter and Lisa Eaton Cheryl Mosher and C P Rhoads},
  journal={Biopolymers},
  year={1982},
  volume={21 7},
  pages={1469-72}
}