Population indices for migratory birds in the Schleswig-Holstein Wadden Sea from 1987 to 1993
Rösner, H.U. (1994). Population indices for migratory birds in the Schleswig-Holstein Wadden Sea from 1987 to 1993, in: Frederiksen, M. et al. Proceedings of the 8th International Scientific Wadden Sea Symposium, Esbjerg 1993: Birds and their ecology in the Wadden Sea. Ophelia. Supplementum, 6: pp. 171-186
In: Frederiksen, M.; Dahl, K. (Ed.) (1994). Proceedings of the 8th International Scientific Wadden Sea Symposium, Esbjerg 1993: Birds and their ecology in the Wadden Sea. Ophelia. Supplementum, 6. Ophelia Publications: Heksingør. ISBN 87-88757-30-7. 357 pp., more
In: Ophelia. Supplementum. Ophelia Publications: Helsingør. ISSN 0107-5896, more
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