@article{ref1,
title="Killing, letting die, and the trolley problem",
journal="Monist, The",
year="1976",
author="Thomson, Judith J.",
volume="59",
number="2",
pages="204-217",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-9662",
doi="",
url="http://dx.doi.org/"
}