@article{ref1,
title="Impaired driving and public policy: an evaluation of proposed countermeasures",
journal="Blutalkohol",
year="1977",
author="Ferrence, R. G. and Whitehead, P. C.",
volume="14",
number="2",
pages="106-117",
abstract="<p>[Abstract unavailable]</p>",
language="de",
issn="0006-5250",
doi="",
url="http://dx.doi.org/"
}