Jeremy S. De Bonet and Qasim Zaidi.
Comparison between Spatial Interactions in Perceived Contrast and Perceived Brightness.
In Vision Research, vol. 37, no. 9, pp. 1141--1155, 1997.

Bibtex:

@Article{        bonet:1997:SIPC,
  author = 	 {Jeremy S. De Bonet and Qasim Zaidi},
  title = 	 {Comparison between Spatial Interactions in Perceived
                  Contrast and Perceived Brightness},
  journal = 	 {Vision Research},
  year = 	 {1997},
  volume = 	 {37},
  number = 	 {9},
  pages = 	 {1141--1155},
  month = 	 {May},
}