Test methods for escherichia coli and enterococci in water by the membrane filter procedure /
by Alfred P. Dufour and Theodore H. Ericksen.

APA Citation

Dufour, A. P., Ericksen, T. H., Environmental Monitoring Support Laboratory (Cincinnati, O. (1987). Test methods for escherichia coli and enterococci in water by the membrane filter procedure. Cincinnati, Ohio: Environmental Monitoring Support Laboratory, Office of Research and Development, U.S. Environmental Protection Agency .

MLA Citation

Dufour, Alfred P, Theodore H Ericksen, and Ohio) Environmental Monitoring Support Laboratory (Cincinnati. Test Methods for Escherichia Coli And Enterococci In Water by the Membrane Filter Procedure. Cincinnati, Ohio: Environmental Monitoring Support Laboratory, Office of Research and Development, U.S. Environmental Protection Agency , 1987.