Bird Observations at Zurich Airport.
Bruderer, B. 1978. Bird Observations at Zurich Airport. Proceedings of the Bird Strike Committee Europe. BSCE13-WP18. Bern, Switzerland. 9 pages.
Bruderer, B. 1978. Bird Observations at Zurich Airport. Proceedings of the Bird Strike Committee Europe. BSCE13-WP18. Bern, Switzerland. 9 pages.
