@article{ref1,
title="Sine rege, sine principe: Peter the Venerable on violence in twelfth-century Burgundy",
journal="Speculum",
year="2002",
author="Smith, G. A.",
volume="77",
number="1",
pages="1-33",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-7134",
doi="",
url="http://dx.doi.org/"
}