Visual thresholds in dichromats and normals; the importance of post-receptoral processes.

@article{Dain1981VisualTI,
  title={Visual thresholds in dichromats and normals; the importance of post-receptoral processes.},
  author={Stephen J. Dain and Peter E. King-Smith},
  journal={Vision research},
  year={1981},
  volume={21 4},
  pages={573-80}
}