@article{ref1,
title=""Craving" and relapse to drink",
journal="Quarterly journal of studies on alcohol",
year="1974",
author="Ludwig, A. M. and Wikler, A.",
volume="35",
number="1",
pages="108-130",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-5649",
doi="",
url="http://dx.doi.org/"
}