ISO 11866-2:1997 Milk and milk products - Enumeration of presumptive Escherichia coli - Part 2: Most probable number technique using 4-methylumbelliferyl--D-glucuronide (MUG)
2005ISO 11866-2:2005 Milk and milk products - Enumeration of presumptive Escherichia coli - Part 2: Colony-count technique at 44 °C using membranes
1997ISO 11866-2:1997 Milk and milk products - Enumeration of presumptive Escherichia coli - Part 2: Most probable number technique using 4-methylumbelliferyl--D-glucuronide (MUG)