@misc{michaelis_the_bilex_1990, author={Michaelis, W.}, title={The BILEX Concept: Research supporting public water quality surveillance in estuaries}, year={1990}, howpublished = {book part}, note = {Online available at: \url{} (DOI). Michaelis, W.: The BILEX Concept: Research supporting public water quality surveillance in estuaries. In: Michaelis, W. (Ed.): Estuarine water quality management: monitoring, modelling and research - Coastal and estuarine studies. Berlin: Springer. 1990. 79-88.}}