@article{ref1,
title="Control of carbon monoxide from high horsepower passenger car engines",
journal="AMA archives of industrial health",
year="1955",
author="Hamma, G. M.",
volume="12",
number="6",
pages="678-679",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0567-3933",
doi="",
url="http://dx.doi.org/"
}