1. Chapter 21 - detection of physical hazards;Demaurex,2014
2. Chemical and physical hazards: The “other” food safety risks;Keener;Food Testing and Analysis Magazine,2001
3. Chapter 24 - detection of physical hazards;Nuutinen,2023
4. Regulatory action criteria for Filth and other extraneous materials: I. Review of hard or sharp foreign objects as physical hazards in food;Olsen;Regul. Toxicol. Pharmacol.,1998
5. Chapter 42 - physical hazards;Rider,2009