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3. The Sea-grasses of the World;den Hartog,1970
4. Chemical changes during the seasonal cycle of growth and decay in eelgrass (Zostera marina) on the Atlantic coast of Canada;Harrison;J. Fish. Res. Board Can.,1975
5. Comparación de la biomasa, densidad y de algunos aspectos morfométricos de la fanerogama marina Thalassia testudinum, König, 1805, en tres diferentes areas geográficas del Golfo de México;Hornelas,1975