@article{ref1,
title="Target theory and survival curves",
journal="Journal of theoretical biology",
year="1971",
author="Kiefer, J.",
volume="30",
number="2",
pages="307-317",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5193",
doi="",
url="http://dx.doi.org/"
}