@article{ref1,
title="Speed of manipulative performance as a function of work-surface height",
journal="Journal of applied psychology",
year="1951",
author="Ellis, D. S.",
volume="35",
number="4",
pages="289-296",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9010",
doi="",
url="http://dx.doi.org/"
}