<?xml version="1.0" encoding="UTF-8"?>
<XML><RECORDS>
<RECORD>
	<REFERENCE_TYPE>0</REFERENCE_TYPE>
	<AUTHORS>
		<AUTHOR>H. Che</AUTHOR>
		<AUTHOR>X. Zhang</AUTHOR>
		<AUTHOR>Y. Li,</AUTHOR>
		<AUTHOR>Z. Zhou</AUTHOR>
		<AUTHOR>J. J. Qu</AUTHOR>
	</AUTHORS>
	<YEAR>2007</YEAR>
	<TITLE>Horizontal visibility trends in China 1981-2005 </TITLE>
	<SECONDARY_TITLE>Geophysical Research Letters</SECONDARY_TITLE>
	<VOLUME>34</VOLUME>
	<PAGES> L24706</PAGES>
</RECORD>
</RECORDS></XML>