@article{ref1,
title="Behavioral patterns of snowmobile operators: A preliminary report",
journal="Journal of safety research",
year="1971",
author="Klein, D. and Carlson, WL",
volume="3",
number="4",
pages="150-156",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}