@article{ref1,
title="The relationship between cocaine use, drug sales, and other delinquency among a cohort of high-risk youths over time",
journal="NIDA research monograph",
year="1990",
author="Dembo, R. and Williams, L. and Wothke, W. and Schmeidler, J. and Getreu, A. and Berry, Emma and Wish, Eric D. and Christensen, C.",
volume="103",
number="",
pages="112-135",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1046-9516",
doi="",
url="http://dx.doi.org/"
}