id	domain	url
cet-8921	www.aidic.it	www.aidic.it/cet
cet-8921	www.aws.org	https://www.aws.org/library/doclib/fs41-201309.pdf>
cet-8921	www.csb.gov	https://www.csb.gov/file.aspx?documentid=5598>
cet-8921	www.csb.gov	https://www.csb.gov/file.aspx?documentid=5669