@article{ref1,
title="National deer-vehicle collisions database--an update",
journal="Veterinary record",
year="2004",
author="Langbein, Jochen and Putman, Rory and Hooton, David",
volume="154",
number="24",
pages="767-768",
abstract="Abstract unavailable.",
language="",
issn="0042-4900",
doi="",
url="http://dx.doi.org/"
}