id	keyword
amq-477	cretaceous
amq-477	ruberti
amq-477	carbonate
amq-477	rudists
amq-477	carannante
amq-477	southern
amq-477	fig
amq-477	matese
amq-477	apennines
amq-477	areas
amq-477	sites
amq-477	del
amq-477	database
amq-477	delle
amq-477	sirna
amq-477	simone
amq-477	environments
amq-477	et al
amq-477	italy
amq-477	shell