@article{ref1,
title="Eye safety in the school shop program",
journal="Sight-saving review",
year="1951",
author="Hopping, S. B.",
volume="21",
number="3",
pages="137-141",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0037-4822",
doi="",
url="http://dx.doi.org/"
}