@article{ref1,
title="Abstainers in a metropolitan community",
journal="Quarterly journal of studies on alcohol",
year="1970",
author="Knupfer, G. and Room, Robin G. W.",
volume="31",
number="1",
pages="108-131",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}