Document 1484
Shergalin, J. E. 1990. Soviet Bibliography About Aviation and Radar Ornithology 1982-1990. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP22. 14 pages.
Shergalin, J. E. 1990. Soviet Bibliography About Aviation and Radar Ornithology 1982-1990. Proceedings of the International Bird Strike Committee, Helsinki, Finland IBSC20/WP22. 14 pages.
