@article{ref1,
title="The impact resistance of eye protector lens materials",
journal="American journal of optometry and archives of American Academy of Optometry",
year="1971",
author="Wigglesworth, E. C.",
volume="48",
number="3",
pages="245-261",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-9408",
doi="",
url="http://dx.doi.org/"
}