@article{ref1,
title="Impact-resistant spectacle lenses",
journal="British journal of physiological optics",
year="1973",
author="Scrivener, A. B.",
volume="28",
number="1",
pages="26-33",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1218",
doi="",
url="http://dx.doi.org/"
}