id	keyword
gc-603	rock
gc-603	engineering
gc-603	carbonate
gc-603	geological
gc-603	weathering
gc-603	mass
gc-603	model
gc-603	discontinuity
gc-603	karst
gc-603	rock mass
gc-603	croatian
gc-603	frequency
gc-603	rqd
gc-603	data
gc-603	properties
gc-603	carbonate rock
gc-603	tunnel