id	domain	url
bam-7733	patents.google.com	https://patents.google.com
bam-7733	patents.google.com	https://patents.google.com
bam-7733	dx.doi.org	http://dx.doi.org/10.1080/0161
bam-7733	dx.doi.org	http://dx.doi.org/10.1080/0161