@article{ref1,
title="Some parameters of persistent criminal behaviour",
journal="Journal of clinical psychology (Hoboken)",
year="1967",
author="Blum, F. J. and Chagnon, M.",
volume="23",
number="2",
pages="168-170",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9762",
doi="",
url="http://dx.doi.org/"
}