id	keyword
fis-1961	fatigue
fis-1961	notch
fis-1961	energy
fis-1961	berto
fis-1961	stress
fis-1961	fract
fis-1961	strain
fis-1961	mode
fis-1961	sed
fis-1961	fracture
fis-1961	density
fis-1961	eng
fis-1961	loading
fis-1961	data
fis-1961	volume
fis-1961	specimens
fis-1961	mech
fis-1961	lazzarin
fis-1961	int
fis-1961	fig
fis-1961	crack
fis-1961	materials