id	domain	url
geusb-4647	www.geus.dk	www.geus.dk/publications/bull
geusb-4647	store.elsevier.com	http://store.elsevier.com/the-geologic-time-scale-2012-2-volume-set/isbn-9780444594259
geusb-4647	store.elsevier.com	http://store.elsevier.com/the-geologic-time-scale-2012-2-volume-set/isbn-9780444594259