@article{ref1,
title="A method of sampling micro-amounts of dusts, powders and fibres for examination",
journal="Medicine, science, and the law",
year="1963",
author="Wyndham, J. L.",
volume="3",
number="2",
pages="141-144",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-8024",
doi="",
url="http://dx.doi.org/"
}