Document 838
Hild, J. 1988. First ICAO Bird Hazard Reduction Workshop Mexico City, 5-9 October 1987. Proceedings of the International Bird Strike Committee, Madrid, Spain IBSC19WP/35:569-570.
Hild, J. 1988. First ICAO Bird Hazard Reduction Workshop Mexico City, 5-9 October 1987. Proceedings of the International Bird Strike Committee, Madrid, Spain IBSC19WP/35:569-570.
