@article{ref1,
title="Violence among delinquents by family intactness and size",
journal="Social biology",
year="1978",
author="Andrew, J. M.",
volume="25",
number="3",
pages="243-250",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0037-766X",
doi="",
url="http://dx.doi.org/"
}