Population development of harbour seals in the Wadden Sea after the 1988 virusepizootic
Reijnders, P.J.H.; Ries, E.H. (1995). Population development of harbour seals in the Wadden Sea after the 1988 virusepizootic. CM Documents - ICES, C.M. 1955(N:2). International Council for the Exploration of the Sea: Copenhagen. 10 pp.
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