@article{ref1,
title="Drinking levels and problem drinking among junior and senior high-school students",
journal="Journal of studies on alcohol",
year="1976",
author="Rachal, J. V. and Hubbard, Robert L. and Williams, J. R. and Tuchfeld, B. S.",
volume="37",
number="11",
pages="1751-1761",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}