@article{ref1,
title="The optimum enforcement of laws and the concept of justice: A positive analysis",
journal="International review of law and economics",
year="1982",
author="Ehrlich, Isaac",
volume="2",
number="1",
pages="3-27",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0144-8188",
doi="10.1016/0144-8188(82)90011-4",
url="http://dx.doi.org/10.1016/0144-8188(82)90011-4"
}