Document 1523
Soetens, C. 1975. Experimental Bird Counting with a Real-Time Computer. Proceedings of the Bird Strike Committee Europe. BSCE10-WP12. Stockholm, Sweden. 4 pages.
Soetens, C. 1975. Experimental Bird Counting with a Real-Time Computer. Proceedings of the Bird Strike Committee Europe. BSCE10-WP12. Stockholm, Sweden. 4 pages.
