MIL-A-8893 (NOTICE 1), MILITARY SPECIFICATION: AIRPLANE STRENGTH AND RIGIDITY , SONIC FATIGUE (18-MAY-1987) [SUPERSEDED BY MIL-A-87221]
MIL-A-8893 (NOTICE 1), MILITARY SPECIFICATION: AIRPLANE STRENGTH AND RIGIDITY , SONIC FATIGUE (18-MAY-1987) [SUPERSEDED BY MIL-A-87221].