@article{ref1,
title="Recommendations of the Laser Safety Conference",
journal="Archives of environmental health",
year="1969",
author="Powell, C. H. and Goldman, L.",
volume="18",
number="3",
pages="448-452",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9896",
doi="",
url="http://dx.doi.org/"
}