id	domain	url
crln-21444	www.katina.info	http://www.katina.info
crln-21444	www.gse.harvard.edu	www.gse.harvard.edu/~ppe/
crln-21444	www.katina.info	http://www.katina.info
crln-21444	www.gse.harvard.edu	http://www.gse.harvard.edu/~ppe