@article{ref1,
title="The dynamics of interpersonal spacing in monkeys and man",
journal="American journal of orthopsychiatry",
year="1974",
author="Baldwin, J. D. and Baldwin, J. I.",
volume="44",
number="5",
pages="790-806",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9432",
doi="",
url="http://dx.doi.org/"
}