@article{ref1,
title="Effects of visual and verbal cues on learning a motor skill",
journal="Journal of experimental psychology",
year="1962",
author="Karlin, L. and Mortimer, R. G.",
volume="64",
number="",
pages="608-614",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}