@article{ref1,
title="On the efficiency of penal systems: Several lessons from the Italian experience",
journal="International review of law and economics",
year="1997",
author="Boari, Nicola",
volume="17",
number="1",
pages="115-126",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0144-8188",
doi="10.1016/S0144-8188(96)00061-0",
url="http://dx.doi.org/10.1016/S0144-8188(96)00061-0"
}