Coprostanol and bacterial indicators of faecal pollution in the Scheldt estuary
Yde, M.; De Wulf, E.; De Maeyer-Cleempoel, S.; Quaghebeur, D. (1982). Coprostanol and bacterial indicators of faecal pollution in the Scheldt estuary. Bull. Environ. Contam. Toxicol. 28(2): 129-134. http://dx.doi.org/10.1007/BF01608564