@article {smith2001role,
	title = {The role of impact damage and fatigue strength reduction in gamma titanium aluminide alloys},
	journal = {Structural Intermetallics},
	year = {2001},
	pages = {259{\textendash}268},
	author = {Smith, R and Harding, T and Jones, JW and Steif, P and Pollock, TM}
}
@article {steif1997surface,
	title = {Surface damage due to impact and fatigue strength reduction in gamma titanium aluminides},
	journal = {Minerals, Metals and Materials Society/AIME(USA),},
	year = {1997},
	pages = {435{\textendash}442},
	author = {Steif, PS and Jones, JW and Harding, T and Rubal, MP and Gandelsman, VZ and Biery, N and Pollock, TM}
}
