id	keyword
gc-345	gravity
gc-345	model
gc-345	surface
gc-345	modelling
gc-345	ion
gc-345	data
gc-345	fig
gc-345	inversion
gc-345	dome
gc-345	anomaly
gc-345	tion
gc-345	architecture
gc-345	body
gc-345	thc
gc-345	software
gc-345	complex
gc-345	salt
gc-345	cases
gc-345	ewing
gc-345	method