@article{ref1,
title="Studies in delinquency; prediction of delinquency in boys",
journal="Journal of genetic psychology",
year="1949",
author="Zokolski, F. C.",
volume="74",
number="",
pages="119-123",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1325",
doi="",
url="http://dx.doi.org/"
}