Photoreversibly photochromic pigments in organisms: properties and role in biological light perception.

@article{Bjrn1979PhotoreversiblyPP,
  title={Photoreversibly photochromic pigments in organisms: properties and role in biological light perception.},
  author={Lars Olof Bj{\"o}rn},
  journal={Quarterly reviews of biophysics},
  year={1979},
  volume={12 1},
  pages={1-23}
}