@misc{indiciaebb7085924539, title = {Visual sensitivity to spatially sampled modulation in human observers.}, author = {J B Mulligan and D I MacLeod}, year = {1991}, doi = {10.1016/0042-6989(91)90155-x}, url = {https://pubmed.ncbi.nlm.nih.gov/2035272/}, note = {Source identifier: 2035272} }