Heavy metal concentrations in a lichen of Mt. Rainier and Olympic National Parks, Washington, USA.

@article{Frenzel1990HeavyMC,
  title={Heavy metal concentrations in a lichen of Mt. Rainier and Olympic National Parks, Washington, USA.},
  author={R W Frenzel and G W Witmer and Edward E. Starkey},
  journal={Bulletin of environmental contamination and toxicology},
  year={1990},
  volume={44 1},
  pages={158-64}
}