id	keyword
grbs-12101	eudoxus
grbs-12101	year
grbs-12101	b.c
grbs-12101	apollonius
grbs-12101	cnidus
grbs-12101	egypt
grbs-12101	days
grbs-12101	century
grbs-12101	greek
grbs-12101	time
grbs-12101	new
grbs-12101	work
grbs-12101	solstice
grbs-12101	book
grbs-12101	studies
grbs-12101	athens
grbs-12101	cleostratus
grbs-12101	astronomers
grbs-12101	der