@article{ref1,
title="The theory of punishment",
journal="International journal of ethics (1890)",
year="1891",
author="Rashdall, Hastings",
volume="2",
number="1",
pages="20-31",
abstract="There was a time when the notion that blood demands blood was held so firmly and so crudely that little distinction was made between intentional and unintentional acts of homicide.<p />",
language="",
issn="1526-422X",
doi="",
url="http://dx.doi.org/"
}