1. Abdalla, S. &Bayer, E. &Frank, H. (1987): Derivatives for separation of amino acid enantiomers. — Chromatographia,23: 83–85.
2. Bartholoma, A. (1997): Morphodynamik. — In:Flemming, B. W. &Hertweck, G. &Kröncke, I &Türkay, M. [Eds.]: Zur Elastizität makrofaunistischer biosedimentärer Systeme im Spiekerooger Watt: Wechselwirkungen zwischen Organismen, Sediment und Wasserkörper. — ELAWAT Final Rep., Fed. Min. Educ. Res.,03F0112A: 23–34.
3. Bathurst, R. G. C. (1975): Carbonate sediments and their diagenesis. — In:Bathurst, R. G. C. [Ed.]: Developments in Sedimentology: 234 pp.; New York (Elsevier).
4. Carter, J. G. (1990): Skeletal Biomineralization: Patterns, Processes and Evolutionary Trends. — Vol. I: 832 pp.; New York (Van Nostrand Reinhold).
5. NATO ASI Ser., Ser. G, Ecological Sci.;N. Dankers,1993