@article{ref1,
title="New government standard for sunlight-protective eyeglass lenses",
journal="Meditsinskaia Tekhnika",
year="1976",
author="Kaĭiumov, Kh M. and Urmakher, L. S. and Aĭzenshtat, L. I.",
volume="0",
number="3",
pages="58-59",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0025-8075",
doi="",
url="http://dx.doi.org/"
}