@article{ref1,
title="Is There Evidence of a Physical Basis for Criminal Behavior?",
journal="Journal of criminal law and criminology (1931-1951)",
year="1940",
author="Tucker, WB",
volume="31",
number="4",
pages="427-437",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2731",
doi="",
url="http://dx.doi.org/"
}