1. Risk and microbiological criteria;Baird-Parker,2000
2. CAST (1994). Foodborne pathogens: risks and consequences. Task Force Report No. 122. Council for Agricultural Science and Technology, Ames, Iowa.
3. Microorganisms in foods 2. Sampling for microbiological analysis: principles and specific applications;International Commission on Microbiological Specifications for Food,1986
4. Microorganisms in foods 7. Microbiological testing in food safety management;International Commission on Microbiological Specifications for Food,2002