id	domain	url
easat-1685	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-1685	en.m.wikipedia.org	https://en.m.wikipedia.org/wiki/nathan_jacobson
easat-1685	en.m.wikipedia.org	https://en.m.wikipedia.org/wiki/isbn_(identifier)
easat-1685	creativecommons.org	https://creativecommons.org/licenses/by/4.0