id	keyword
esrj-105868	� �
esrj-105868	data
esrj-105868	y �
esrj-105868	nigeria
esrj-105868	geologic
esrj-105868	structures
esrj-105868	pham
esrj-105868	ukelle
esrj-105868	fig
esrj-105868	ekwok
esrj-105868	et al