@article{ref1,
title="Significance of sign in an S-R separation problem",
journal="Perceptual and motor skills",
year="1972",
author="Sayner, R. B. and Davis, R. T.",
volume="34",
number="2",
pages="671-676",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}