@article{ref1,
title="Use of impact-resistant lenses in eyeglasses and sunglasses",
journal="Sight-saving review",
year="1971",
author="Edwards, C. C.",
volume="41",
number="7",
pages="21-27",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-4822",
doi="",
url="http://dx.doi.org/"
}