@article{ref1,
title="Backward visual masking with homogeneous and patterned stimuli: comparison of retarded and nonretarded subjects",
journal="Perceptual and motor skills",
year="1972",
author="Galbraith, G. C. and Gliddon, J. B.",
volume="34",
number="3",
pages="903-908",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}