ISO 7402:1985 Microbiology — General guidance for the enumeration of enterobacteriaceae without resuscitation — MPN technique and colony count technique
1993ISO 7402:1993 Microbiology; general guidance for the enumeration of Enterobacteriaceae without resuscitation; MPN technique and colony-count technique
1985ISO 7402:1985 Microbiology — General guidance for the enumeration of enterobacteriaceae without resuscitation — MPN technique and colony count technique