@article{ref1,
title="A mathematical model of evolutionary pressures regulating self-preservation and self-destruction",
journal="Suicide and life-threatening behavior",
year="1986",
author="de Catanzaro, D.",
volume="16",
number="2",
pages="166-181",
abstract="Abstract unavailable.",
language="",
issn="0363-0234",
doi="",
url="http://dx.doi.org/"
}