Philippart, C.J.M. Eutrophication as a possible cause of decline in the seagrass zostera noltii of the Dutch wadden sea - - Wageningen Landbouw University 1994 - 157p. Thesis ISBN: 90-5485-316-6 ISSN: Subjects--Index Terms: Sea grass Entrophication - Wadden sea Dewey Class. No.: 633.529.3