Coliform species recovered from untreated surface water and drinking water by the membrane filter, standard, and modified most-probable-number techniques [Texto fotocopiado]
T. M. Evans, M. W. LeChevallier, C. E. Waaevick and Ramon J. Seidler Inglês
[S.l.] : 1981, American Society for Microbiology
[7 p.]; 21 cm