1. NTSB aircraft accident report, NTSB/AAR-98/06. United Airlines Flight 232. Sioux City, Iowa, Washington, DC; 1989.
2. Drama in Sioux city,2014
3. Flight 232;Gonzales,2014
4. Characterizing the cracking behavior of hard-alpha defects in rotor grade Ti-6-4 alloy;McKeighan,1999
5. Effects of CTE-induced residual stresses around hard-alpha particles on fatigue crack growth in Ti–6Al–4V;Laz;Fat Fract Engng Mater Struct,2003