1. Military Specification, Aircraft Structures, Military Standard MIL-A-87221 (USAF),1985
2. Aircraft Structural Integrity Program, Airplane Requirements, Military Standard MIL-STD-1530A,1975
3. Aircraft Damage Tolerance Program Requirement, Military Standard MIL-A-83444,1974
4. Doubling the air force through greater reliability;Rodenroth,1986
5. Warranties: Working Out The Kinks;Hornung,1986