<?xml version="1.0" encoding="UTF-8"?>
<XML><RECORDS>
<RECORD>
	<REFERENCE_TYPE>31</REFERENCE_TYPE>
	<AUTHORS>
		<AUTHOR>A. Domínguez & F. Prada</AUTHOR>
	</AUTHORS>
	<YEAR>2013</YEAR>
	<TITLE>Measurement of the expansion rate of the Universe from gamma-ray attenuation</TITLE>
	<PUBLISHER>ApJ Letters</PUBLISHER>
</RECORD>
</RECORDS></XML>