@article{ref1,
title="Intuitive participation in aggressive intergroup conflict: evidence of weak versus strong parochial altruism",
journal="Frontiers in psychology",
year="2016",
author="Böhm, Robert",
volume="7",
number="",
pages="1535-1535",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1664-1078",
doi="10.3389/fpsyg.2016.01535",
url="http://dx.doi.org/10.3389/fpsyg.2016.01535"
}