@article{ref1,
title="The effects of minimum age drinking laws upon adolescent alcohol use and problems",
journal="Contemporary drug problems",
year="1977",
author="Rooney, J. F. and Schwartz, S. M.",
volume="6",
number="",
pages="569-583",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0091-4509",
doi="",
url="http://dx.doi.org/"
}