Standard Test Method for Isolation and Enumeration of <emph type="bdit">Escherichia Coli</emph> in Water by the Two-Step Membrane Filter Procedure— 6 стр.
Standard Practice for Enumeration of Non-Tuberculosis <emph type="ital">Mycobacteria</emph > in Aqueous Metalworking Fluids by Plate Count Method— 3 стр.