@article{ref1,
title="Changes in alcohol sales and drinking problems in Iowa, 1961-1979",
journal="Journal of studies on alcohol",
year="1983",
author="Mulford, H. A. and Fitzgerald, J. L.",
volume="44",
number="1",
pages="138-161",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}