@article{ref1,
title="Role of practice in perceptual-motor learning",
journal="American journal of physical medicine",
year="1967",
author="Cross, K. D.",
volume="46",
number="1",
pages="487-510",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9491",
doi="",
url="http://dx.doi.org/"
}