id	keyword
geusb-4641	denmark
geusb-4641	jurassic
geusb-4641	greenland
geusb-4641	survey
geusb-4641	danish
geusb-4641	university
geusb-4641	research
geusb-4641	east
geusb-4641	surlyk
geusb-4641	book
geusb-4641	middle
geusb-4641	central