@article{ref1,
title="Raising the legal purchase age in the United States: Its effects on fatal motor vehicle crashes",
journal="Alcohol, drugs and driving",
year="1986",
author="Williams, Allan F.",
volume="2",
number="2",
pages="1-12",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0891-7086",
doi="",
url="http://dx.doi.org/"
}