<?xml version="1.0" encoding="UTF-8"?>
<XML><RECORDS>
<RECORD>
	<REFERENCE_TYPE>31</REFERENCE_TYPE>
	<AUTHORS>
		<AUTHOR>German Sierra</AUTHOR>
	</AUTHORS>
	<YEAR>2011</YEAR>
	<TITLE>General covariant xp models and the Riemann zeros</TITLE>
	<URL>http://arxiv.org/abs/1110.3203</URL>
</RECORD>
</RECORDS></XML>