id	domain	url
crl-16554	creativecommons.org	http://creativecommons.org/licenses/by-nc/3.0/
crl-16554	site.citationproject.net	http://site.citationproject.net
crl-16554	site.citationproject.net	http://site.citationproject.net
crl-16554	www.youtube.com	www.youtube.com/embed/d1ufr64kmbk