Milk and milk products. Enumeration of coliforms. Pt. 2: Most probable number technique at 30 C. Prepared by Technical Committee ISO/TC 34: Agricultural Food Products. 1. ed
International Organization for Standardization, Geneva (Switzerland)
ISO International Standard (ISO). no. 5541/2, 1986
Milk and milk products. Enumeration of coliforms. Pt. 1: Colony count technique at 30 C. Prepared by Technical Committee ISO/TC 34: Agricultural Food Products. 1. ed
International Organization for Standardization, Geneva (Switzerland)
ISO International Standard (ISO). no. 5541/1, 1986