1. Die Situation in der gesundheitlichen Beurteilung der Aromatisierungsmittel fur Lebensmittel;Bar;Medizin Ernahr,1967
2. A toxicologic and dermatologic assessment of ionones when used as fragrance ingredients;Belsito;Food and Chemical Toxicology,2007
3. Council of Europe, 2000. Partial Agreement in the Social and Public Health Field. Chemically-defined Flavouring Substances. Group 7.1.4 cyclic terpene ketones, page 155, number 141. Council of Europe Publishing, Strasbourg.
4. FDA (Food and Drug Administration). Code of Federal Regulations, 21 CFR 172.515. Title 21 – Food and Drugs, Volume 3, Chapter I – Food and Drug Administration, Department of Health and Human Services. Part 172 – Food Additives Permitted for Direct Addition to Food for Human Consumption. Subpart F – Flavoring Agents and Related Substances, 515 – Synthetic Flavoring Substances and Adjuvants.
5. Recent progress in the consideration of flavoring ingredients under the food additives amendment III. GRAS Substances;FEMA (Flavor Extract Manufacturers Association);Food Technology,1965