@article{ref1,
title="Comparison of the effectiveness of contemporary ophthalamic lenses against beta radiation",
journal="Health physics",
year="1977",
author="Dunlap, J. H. and Harvey, P. W. and Schwing, R. L.",
volume="32",
number="6",
pages="555-559",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-9078",
doi="",
url="http://dx.doi.org/"
}