@article{ref1,
title="Comparison of purchasing in self-service and clerk-service liquor stores",
journal="Quarterly journal of studies on alcohol",
year="1974",
author="Smart, Reginald G.",
volume="35",
number="4 Pt A",
pages="1397-1401",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}