Helicopter Birdstrike Resistance.
Bremond, A. 1986. Helicopter Birdstrike Resistance. Proceedings of the International Bird Strike Committee, Copenhagen, Denmark IBSC18/WP14:160-181.
Bremond, A. 1986. Helicopter Birdstrike Resistance. Proceedings of the International Bird Strike Committee, Copenhagen, Denmark IBSC18/WP14:160-181.