@article{ref1,
title="Effect of head band forces and pressure on comfort of ear muffs",
journal="Annals of occupational hygiene",
year="1976",
author="Acton, W. I. and Lee, G. L. and Smith, D. J.",
volume="19",
number="3-4",
pages="357-361",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4878",
doi="",
url="http://dx.doi.org/"
}