id	keyword
esrj-110855	coal
esrj-110855	soil
esrj-110855	ash
esrj-110855	results
esrj-110855	subgrade
esrj-110855	coal ash
esrj-110855	figure
esrj-110855	properties
esrj-110855	stabilization
esrj-110855	colombia
esrj-110855	ashes
esrj-110855	limit
esrj-110855	astm
esrj-110855	estabilización