@article{ref1,
title="Chronicle of a cropduster crash: a devastating and avoidable tragedy",
journal="Aerospace medicine",
year="1973",
author="Watson, M. and Benson, W. W.",
volume="44",
number="5",
pages="549-551",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}