id	keyword
esrj-27296	figure
esrj-27296	refraction
esrj-27296	velocity
esrj-27296	tomography
esrj-27296	methods
esrj-27296	san
esrj-27296	juan
esrj-27296	model
esrj-27296	mountain
esrj-27296	wave
esrj-27296	area
esrj-27296	geophysical