1. CAC (Codex Alimentarius Commission) (2001) Basic Text. Food and Agriculture Organization, Rome, Italy
2. Codex Alimentarius Commission (CAC) (2009) Food hygiene (basic texts), 4th edn. World Health Organization Food and Agriculture Organization of the United Nations, Rome
3. Holah J (2014) Hygiene in food processing and manufacturing. In: Motarjemi Y, Lelieveld H (eds) Food safety management: a practical guide for the food industry. Academic, Waltham, MA, pp 623–659
4. Holah J, Margas E, Hagberg R, Warren B, Fraser-Heaps J, Mortimore S (2011) The rise of prerequisites. New Food Magazine 14:11–15
5. Holah J, Margas E, Hagberg R, Warren B, Fraser-Heaps J, Mortimore S (2012) Identifying and controlling microbiological cross-contamination. Food Safety Magazine February–March:54–61