@article{ref1,
title="Replies to Copp, Timmons, and Railton",
journal="Philosophy and phenomenological research",
year="2008",
author="Sinnott‐Armstrong, Walter",
volume="77",
number="3",
pages="820-836",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0031-8205",
doi="10.1111/j.1933-1592.2008.00226.x",
url="http://dx.doi.org/10.1111/j.1933-1592.2008.00226.x"
}