@article{ref1,
title="Correlates of marijuana usage at a Canadian technological institute",
journal="International journal of the addictions",
year="1973",
author="Bogg, R. A. and Hughes, J. W.",
volume="8",
number="3",
pages="489-504",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-773X",
doi="",
url="http://dx.doi.org/"
}