@article{ref1,
title="Family Factors in the Ecology of Juvenile Delinquency",
journal="Journal of criminal law and criminology (1931-1951)",
year="1940",
author="Gordon H. Barker, ",
volume="30",
number="5",
pages="681-691",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2731",
doi="",
url="http://dx.doi.org/"
}