Bird hazards to aircraft.
Blokpoel, H. 1976. Bird hazards to aircraft. Problems and prevention of bird/aircraft collisions. Clarke, Irwin & Company Limited. Ministry of Supply and Services, Ottawa, Ontario, Canada. 236 pages.
Blokpoel, H. 1976. Bird hazards to aircraft. Problems and prevention of bird/aircraft collisions. Clarke, Irwin & Company Limited. Ministry of Supply and Services, Ottawa, Ontario, Canada. 236 pages.
