id	keyword
gc-633	et al
gc-633	adriatic
gc-633	sediments
gc-633	adriatic sea
gc-633	cores
gc-633	concentrations
gc-633	albania
gc-633	pit
gc-633	trace
gc-633	central
gc-633	south
gc-633	coast
gc-633	palagruža
gc-633	dolenec et
gc-633	elements
gc-633	metal
gc-633	southern