Document 1542
Soucaze-Soudat, J. D. 1990. Scaring Away Birds by Laser Beam. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP37. 7 pages.
Soucaze-Soudat, J. D. 1990. Scaring Away Birds by Laser Beam. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP37. 7 pages.
