id	keyword
ajst-28615	damage
ajst-28615	specimens
ajst-28615	grain
ajst-28615	emission
ajst-28615	conglomerate
ajst-28615	grain sizes
ajst-28615	energy
ajst-28615	crack
ajst-28615	conglomerate specimens
ajst-28615	rock
ajst-28615	stage
ajst-28615	load
ajst-28615	ae energy