id	keyword
gc-976	samples
gc-976	clay
gc-976	charge
gc-976	k 0
gc-976	bentonite
gc-976	layer
gc-976	chemical
gc-976	croatia
gc-976	peak
gc-976	table
gc-976	smectites
gc-976	cations
gc-976	content
gc-976	doi
gc-976	mineral
gc-976	ši1
gc-976	miocene