@article{ref1,
title="Additivity Assumptions in the Measurements of Delinquency",
journal="British journal of criminology",
year="1974",
author="Pease, K. and Ireson, J and Thorpe, Joshua",
volume="14",
number="3",
pages="256-263",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0007-0955",
doi="",
url="http://dx.doi.org/"
}