1. “Microbiology of Foods.”;Ayers,1979
2. Thermal death point in relation to time of typical thermophilic organisms;Bigelow;J. Infect. Dis.,1920
3. “Titles 7, 9, 21, 27, 40, 42 and 50.”;Code of Federal Regulations,1979
4. FDA (1981). News release (P81–6), Mar. 27. U.S. Dep. Health Hum. Serv., Washington, D.C.