@article{1138, title = {Contrast discrimination with sinusoidal gratings of different spatial frequency}, author = {Bird, CM. and Henning, GB. and Wichmann, FA.}, journal = {Journal of the Optical Society of America A}, volume = {19(7)}, pages = {1267-1273}, organization = {Max-Planck-Gesellschaft}, school = {Biologische Kybernetik}, year = {2002}, doi = {} }