1. Population biology of infectious diseases: Part I;Anderson;Nature,1979
2. Anon 2004 Commission Decision 2004/454/EC https://www.fsai.ie/uploadedFiles/Legislation/Food_Legisation_Links/Food_Imports_and_Exports/Commission-Decision-2004-454-EC.pdf
3. Anon 2006 Council Directive 2006/88/EC http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2006:328:0014:0056:en:PDF
4. Anon 2009 The Aquatic Animal Health (Scotland) Regulations 2009 http://www.legislation.gov.uk/ssi/2009/85/contents/made