id	keyword
gc-796	river
gc-796	sava
gc-796	aquifer
gc-796	sava river
gc-796	quaternary
gc-796	valley
gc-796	sediments
gc-796	basin
gc-796	fig
gc-796	geol
gc-796	zagreb
gc-796	pleistocene
gc-796	croatian
gc-796	area
gc-796	river valley
gc-796	system
gc-796	groundwater