1. Anon. 1983, The Bacteriological Examination of Drinking Water Supplies 1982 . Methods for the examination of waters and associated materials. Department of the Environment, pp.86 -91 . London: HMSO.
2. D.A. Hopwood, M.J. Bibb, K.F. Chater, T. Kieser, C.J. Bruton, H.M. Kieser, D.J. Lydlate, C.P. Smith, J.M. Ward, and H. Schrempf, 1985, Genetic Manipulation of Streptomyces: A Laboratory Manual , pp.15 -16 . Norwich: John Innes Foundation.
3. Modified agar medium for detecting environmental salmonellae by the most-probable-number method
4. Detection of salmonellae using accelerated methods