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2. AustralianTransportSafetyBureau(ATSB),"LimitationsoftheSee-and-AvoidPrinciple",April1991.
3. UnmannedAircraftSystemsProjectOffice,"UASSenseandAvoidWorkshopCharter,RevisionC",November6,2008.
4. 10Action Plan 5: Validation and Verification Strategies: Operational Concept Validation Strategy Document, FAA/EUROCONTROL, 31 Mar2008.