@article{ref1,
title="Last days of the hangman",
journal="New scientist",
year="2009",
author="Johnson, David and Zimring, Franklin E.",
volume="201",
number="2699",
pages="22-23",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0262-4079",
doi="",
url="http://dx.doi.org/"
}