@article{ref1,
title="Demographic characteristics of tavern patrons in San Francisco",
journal="Quarterly journal of studies on alcohol",
year="1966",
author="Clark, W.",
volume="27",
number="2",
pages="316-327",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}