1. BENNEKOM, A. J. VAN, 1978. The Balgzand (Dutch Wadden Sea) tidal flats as a source of soluble silicate. Hydrobiol. Bull., 12: 143–144.
2. BOER, M. DE, 1978. Uitwisseling wadwater Balgzand. Waterloopkundig onderzoek, mei 1977. Rijkswaterstaat, Studiedienst Hoorn, Nota 78H005, 29 pp. (unpubl. report).
3. CADEE, G. C. and J. HEGEMAN, 1977. Distribution of primary production of the benthic microflora and accumulation of organic matter on a tidal flat area, Balgzand, Dutch Wadden Sea. Neth.J.Sea Res., 11: 24–41.
4. DANKERS, N., 1978. De ecologische gevolgen van havenaanleg op het Balgzand. Rapport Rijksinstituut voor Natuurbeheer (unpubl. report).
5. FRANSZ, H.G., 1975. The spring development of calanoid copepod populations in the Dutch coastal waters as related to primary production. Proc. 10th European Symposium on Marine Biology, Ostend, 2: 247–269.