@article{ref1,
title="Trends in mass murder",
journal="Psychological reports",
year="2002",
author="Lester, David",
volume="90",
number="3",
pages="1122-1122",
abstract="From 1976 to 1996, the proportion of murder incidents with 5 or more victims showed no linear trend or association with selected social indicators, e.g., birth rate, unemployment rate, and homicide rate.<p /> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}