@article{ Freeman_vanDijk87,
  author = {Freeman, W. J. and vanDijk, B. W.},
  title = {Spatial patterns of visual cortical fast {EEG} during conditioned
	reflex in a rhesus monkey},
  journal = {Brain Research},
  year = {1987},
  volume = {422},
  pages = {267-276},
  en_number = {1.13:7}
}