1. Food Agriculture Organization of the United Nations and World Health Organization: FAO/WHO-Codex Alimentarius Commission, Proposed FAO/WHO levels for Radionuclide Contamination of Food in International Trade. ALINORM 1989/11 Joint FAO/WHO Food Standards Programme.
2. COUNCIL REGULATION (EURATOM) No 3954/87 of 22 December 1987 laying down maximum permitted levels of radioactive contamination of foodstuffs and of feedingstufs following a nuclear accident or any other case of radiological emergency;Commission of the European Communities;Off. J. Eur. Communities,1987
3. COUNCIL REGULATIO (EURATOM) No. 944/89 of 12 April 1989 laying down maximum permitted levels of radioactive contamination in minor foodstuffs following a nuclear accident or any other case of radiological emergency;Commission of the European Communities;Off. J. Eur. Communities,1989
4. COUNCIL REGULATION (EURATOM) No. 2218/89 of 18 July amending Regulation (Euratom) No. 3954/87 laying down maximum permitted levels of radioactive contamination of foodstuffs and of feedingstuffs following a nuclear accident or any other case of radiological emergency;Commission of the European Communities;Off. J. Eur. Communities,1989
5. COMMISSION REGULATION (EURATOM) No. 770/90 of 29 March 1990 laying down maximum permitted levels of radioactive contamination of feedingstuffs following a nuclear accident or any other case of radiological emergency;Commission of the European Communities;Off. J. Eur. Communities,1990