@article{ref1,
title="Death penalty and violent crime",
journal="Lancet",
year="1969",
author="",
volume="2",
number="7635",
pages="1407-1408",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}