Allen, M.J.

Edberg, S.C., Allen, M.J. & Smith, D.B., 1989. National field evaluation of a defined substrate method for the simultaneous detection of total coliforms and Escherichia coli from drinking water : comparison with presence-absence techniques. , p.p. 1003-1008 : 5 tab. Available at: http://fr.ircwash.org/sites/default/files/241.1-89NA-11627.pdf.