@article{ref1,
title="The Only-Child Delinquent Contrasted with Delinquents in Large Families",
journal="Journal of criminal law and criminology (1931-1951)",
year="1941",
author="Hart, Hastings H. and Axelrad, Sidney",
volume="32",
number="1",
pages="42-66",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2731",
doi="",
url="http://dx.doi.org/"
}