@article{ref1,
title="Blackburn's Typology of Abnormal Homicides: Additional Data and a Critique",
journal="British journal of criminology",
year="1972",
author="Verberne, TJP",
volume="12",
number="1",
pages="88-89",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0007-0955",
doi="",
url="http://dx.doi.org/"
}