@article{ref1,
title="Present status of labeling of materials in industry",
journal="American Industrial Hygiene Association journal",
year="1969",
author="McCarl, G. W.",
volume="30",
number="5",
pages="510-513",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8894",
doi="",
url="http://dx.doi.org/"
}