@article{ref1,
title="Effects of frequency of vibration on human performance",
journal="Journal of engineering psychology",
year="1966",
author="Harris, C. S. and Shoenberger, R. W.",
volume="5",
number="1",
pages="1-15",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-085X",
doi="",
url="http://dx.doi.org/"
}