@article{ref1,
title="Laser safety program. LA-3731-MS",
journal="LA reports",
year="1966",
author="Ehrenkranz, T. E. and Ettinger, H. J.",
volume="",
number="",
pages="3-20",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}