@article{ref1,
title="The accident risk on tractors",
journal="Concours Medical",
year="1964",
author="dervillee, E.",
volume="86",
number="",
pages="511-514",
abstract="<p>[Abstract unavailable]</p> <p>Language: fr</p>",
language="fr",
issn="0010-5309",
doi="",
url="http://dx.doi.org/"
}