@article{ref1,
title="Sex life in prison",
journal="Journal of criminal law and criminology (1931-1951)",
year="1948",
author="Karpman, B.",
volume="38",
number="5",
pages="475-486",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0885-2731",
doi="",
url="http://dx.doi.org/"
}