@article{ref1,
title="Some Objective Test Variables Relevant to Delinquency",
journal="British journal of criminology",
year="1973",
author="Smith, David E.",
volume="13",
number="2",
pages="138-147",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0007-0955",
doi="",
url="http://dx.doi.org/"
}