Pattern, stability and correlates of photic-electroencephalographic activation.

@article{Ulett1958PatternSA,
  title={Pattern, stability and correlates of photic-electroencephalographic activation.},
  author={George A. Ulett and Laverne C. Johnson},
  journal={The Journal of nervous and mental disease},
  year={1958},
  volume={126 2},
  pages={153-68}
}