id	domain	url
crl-16347	crl.acrl.org	http://crl.acrl.org/content/1/1/7.full.pdf+html
crl-16347	muse.jhu.edu	http://muse.jhu.edu
crl-16347	crl.acrl.org	http://crl.acrl.org/content/early/2013/02/06/crl13-458.full.pdf+html