@article{ref1,
title="The behavioural measurement of dependence",
journal="British journal of addiction",
year="1980",
author="Rankin, H. and Hodgson, R. and Stockwell, T.",
volume="75",
number="1",
pages="43-47",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0952-0481",
doi="",
url="http://dx.doi.org/"
}