@article{ref1,
title="Alcohol and blacks: survey of the periodical literature",
journal="British journal of addiction to alcohol and other drugs",
year="1976",
author="Harper, F. D. and Dawkins, M. P.",
volume="71",
number="4",
pages="327-334",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0890",
doi="",
url="http://dx.doi.org/"
}