TY - RPRT TI - Discrimination thresholds in the two-dimensional spatial frequency domain. AU - T Caelli AU - H Brettel AU - I Rentschler AU - R Hilz PY - 1983 DO - 10.1016/0042-6989(83)90135-9 UR - https://pubmed.ncbi.nlm.nih.gov/6868387/ ID - 6868387 ER -