@article{ref1,
title="Enforcement of drink-driving laws by use of per se legal alcohol limits: Blood and / or breath concentration as evidence of impairment",
journal="Alcohol, drugs and driving",
year="1988",
author="Jones, Alan Wayne",
volume="4",
number="2",
pages="99-112",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0891-7086",
doi="",
url="http://dx.doi.org/"
}