id	keyword
gc-250	field
gc-250	permeability
gc-250	depth
gc-250	porosity
gc-250	data
gc-250	reservoir
gc-250	oil
gc-250	fig
gc-250	æutica
gc-250	properties
gc-250	group
gc-250	wells
gc-250	gss
gc-250	zagreb
gc-250	discriminant
gc-250	okoli
gc-250	units
gc-250	df2
gc-250	values
gc-250	df3
gc-250	distribution
gc-250	sandstone