@article{ref1,
title="Next steps to reduce agricultural tractor overturn fatal and non-fatal injuries",
journal="Journal of agricultural safety and health",
year="2007",
author="Cole, H. P.",
volume="13",
number="4",
pages="347-348",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1074-7583",
doi="",
url="http://dx.doi.org/"
}