Leach, B.A. 1964. Biological survey 1 Air Div Report No. 1. Baden-Soelingen 4 Wing. National Research Council Associate Committee on Bird Hazards to Aircraft Fieldnote 23, December 1964. 5 pages.
Ruhe, W. 2000. ASR – bird observation program at German airporrs. Proceedings of the International Bird Strike Committee, Stara Amsterdam, Netherlands IBSC25/WP-RS3:1-9.
Zalakevicius, M. 2000. Wetlands and aviation:Between protection and regulation. Proceedings of the International Bird Strike Committee, Stara Amsterdam, Netherlands IBSC25/AV6. 9 pages.
Jacobs, T. 1976. Experiment of Presentation of Actual Bird Intensity in a « O to 8 » scale on a Display Unit. Proceedings of the Bird Strike Committee Europe. BSCE11-WP10. London, England. 5 pages.
Blackwell, B.F., P.M. Schmidt, and J.A. Martin. 2013. Avian survey methods for use at airports. In: T.L. DeVault, B.F. Blackwell, and J.L. Belant, editors. Wildlife in Airport Environments: Preventing Animal-Aircraft Collisions through Science-Based Management. The Johns Hopkins University Press, Baltimore, Maryland, in association with The Wildlife Society. 153-165. Ch14-Blackwell_et_al_2013 1.pdf
Laty, M. 1990. Experiments Taking Place: Tests for the Frightening Away of Birds by Means of a Laser Gun. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP45. 2 pages.
Briot, M. 1982. Treatments of Lawns on the Paris Airport. Proceedings of the International Bird Strike Committee, Moscow, Russia IBSC16/WP8. 8 pages. Briot_1982b.pdf
Davis, R.A. and R.E. Harris. 1995. Studies of numbers and movements of gulls with respect to potential bird hazards to aircraft safety associated with a proposed landfill near the Collingwood Municipal Airport. Unpublished report TA 2102 prepared for the Town of Collinwood by LGL Limited, King City, Ontario. 46 pages.