@article{ref1,
title="Is there a morally relevant difference between human and animal nonpersons?",
journal="Journal of agricultural ethics",
year="1988",
author="Pluhar, Evelyn",
volume="1",
number="1",
pages="59-68",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0893-4282",
doi="",
url="http://dx.doi.org/"
}