@article{ref1,
title="Territoriality and boundary conflicts in the subway",
journal="Psychiatry interpersonal and biological processes",
year="1974",
author="Fried, M. L. and DeFazio, V. J.",
volume="37",
number="1",
pages="47-59",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2747",
doi="",
url="http://dx.doi.org/"
}