@article{ref1,
title="Territorial defense and the good neighbor",
journal="Journal of personality and social psychology",
year="1969",
author="Sommer, Robert and Becker, F. D.",
volume="11",
number="2",
pages="85-92",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3514",
doi="",
url="http://dx.doi.org/"
}