@article{ref1,
title="Effects of concentration sequence on ethanol selection by rats",
journal="Quarterly journal of studies on alcohol",
year="1973",
author="Belenko, S. and Woods, S. C.",
volume="34",
number="3",
pages="940-942",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}