@article{ref1,
title="Intentionally killing the innocent",
journal="Analysis",
year="1973",
author="Duff, Robin Antony",
volume="34",
number="1",
pages="16-19",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-2638",
doi="",
url="http://dx.doi.org/"
}