Bogards R., Moodley L., Van Oevelen D., Soetaert K. 2003: Natural stable isotopes in the primary producents of the pelagic and the benthic heterotrophic cycle. Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=62, meer
