Gadelha, M.J.N., Cazé da Silva, J.S., da Silva, J.A., Andrade, M.J. de O., Viana, D.N. de M. and dos Santos, N.A. 2016. Effects of aging on visual contrast of sinusoidal gratings. Psico. 47, 3 (Jun. 2016), 209–215. DOI:https://doi.org/10.15448/1980-8623.2016.3.22748.