@article{ref1,
title="Accidents of tractor drivers",
journal="Revue du praticien, La",
year="1965",
author="dervillee, E.",
volume="15",
number="29",
pages="3847-3851",
abstract="<p>[Abstract unavailable]</p> <p>Language: fr</p>",
language="fr",
issn="0035-2640",
doi="",
url="http://dx.doi.org/"
}