@article{ref1,
title="Evaluation of the carbon monoxide hazard from indoor use of propane-fueled fork lift trucks",
journal="American industrial hygiene association quarterly",
year="1957",
author="Hall, D. A. and Miller, F. and Riley, E. C. and Scherberger, R. F.",
volume="18",
number="4",
pages="355-359",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0096-820X",
doi="",
url="http://dx.doi.org/"
}