Sartory, D.P. and Howard, L. 1992 A medium detecting β-glucuronidase for the simultaneous membrane filtration enumeration of Escherichia coli and coliforms from drinking water. Letters in Applied Microbiology, 15, 273-276.
Seyfried, P.L., Tobin, R., Brown, N.E. and Ness, P.E. 1985 A prospective study of swimming related illness. I. Swimming associated health risk. American Journal of Public Health, 75, 1068-1070.
Sinton, L.W. and Donnison, A.M. 1994 Characterization of faecal streptococci from some New Zealand effluents and receiving waters. New Zealand Journal of Marine and Freshwater Research, 28, 145-158.
Sinton, L.W., Donnison, A.M. and Hastie, C.M. 1993a Faecal streptococci as faecal pollution indicators: a review. Part I: Taxonomy and enumeration. New Zealand Journal of Marine and Freshwater Research, 27, 101 - 115.
Sinton, L.W., Donnison, A.M. and Hastie, C.M. 1993b Faecal streptococci as faecal pollution indicators: a review. Part II: Sanitary significance, survival, and use. New Zealand Journal of Marine and Freshwater Research, 27, 117-137.
Slanetz, L.W. and Bartley, C.H. 1957 Numbers of enterococci in water, sewage and faeces determined by the membrane filter technique with an improved medium. Journal of Bacteriology, 74, 591-595.
Slanetz, L.W. and Bartley, C.H. 1965 Survival of fecal streptococci in seawater. Health Laboratory Sciences, 2, 142-148.
Smoker, D. 1991 Capturing the coliform. Water Services, 95, 20-22.
Sorensen, D.L., Eberl, S.G. and Diksa, R.A 1989 Clostridium perfringens as a point source indicator in non-point polluted streams. Water Research, 23, 191-197.
Tillet, H.E. 1993 Potential inaccuracy of microbial counts from routine water samples. Water Science and Technology, 27, 15-18.
Tillett, H.E. 1995 The most probable number estimates and the usefulness of confidence intervals: comment. Water Research, 199, 1213-1214.
Tillet, H.E. and Benton, C. 1993 Effects of transit time on indicator organism counts from water samples. Public Health Laboratories Services, 10(2), 116-117.
Tillett, H.E. and Lightfoot, N.F. 1995 Quality control in environmental microbiology compared with chemistry: what is homogeneous and what is random. Water Science and Technology 31, 471-77.
Tillet, H.E., Lightfoot, N.F. and Eaton, S. 1993 External quality assessment in water microbiology: statistical analysis of performance. Journal of Applied Bacteriology, 74, 497-502.