@article{ref1,
title="The deadliness of mass murderers",
journal="Psychological reports",
year="2004",
author="Muller, Ivo and Schaller, Sylvia and Schmidtke, Armin and Stack, S. and Lester, David",
volume="94",
number="3",
pages="1404-1404",
abstract="The death toll for mass murders was higher when the murderer committed suicide and when the incident was elsewhere than the Americas and Europe.",
language="",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}