Changes in summated visual potentials (lambda waves) during mental tasks using the Stroop test.

@article{Scott1967ChangesIS,
  title={Changes in summated visual potentials (lambda waves) during mental tasks using the Stroop test.},
  author={Dr. William Scott and H. J. Hoffmann and Reginald G. Bickford},
  journal={Perceptual and motor skills},
  year={1967},
  volume={25 3},
  pages={993-6}
}