Airport Bird Threat in North America from Large Flocking Birds (geese)(as Viewed by an Engine Manuafacturer)–Part 1.
Alge, T. 1999. Airport Bird Threat in North America from Large Flocking Birds (geese)(as Viewed by an Engine Manuafacturer)–Part 1. Proceedings Birdstrike Committee USA/Canada, First Joint Annual Meeting, Vancouver, BC.