Shorebird counts in the Dutch Wadden Sea, 1980-91: a comparison with the 1965-77 period
Smit, C.J.; Zegers, P.M. (1994). Shorebird counts in the Dutch Wadden Sea, 1980-91: a comparison with the 1965-77 period, in: Frederiksen, M. et al. (Ed.) Birds and their ecology in the Wadden Sea. Proceedings of the 8th International Scientific Wadden Sea Symposium, Esbjerg 1993. pp. 163-170
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., meer
In: Ophelia. Supplementum. Ophelia Publications: Helsingør. ISSN 0107-5896, meer
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