1. American Conference of Governmental Industrial Hygienists (1973). Threshold Limit Values for Chemical Substances and Physical Agents in the Workroom Environment. p. 10. Cincinnati, Ohio.
2. Conversion of cyclamate to cyclohexylamine in guinea pig;Asahina;Chem. pharm. Bull., Tokyo,1972
3. Die Situation in der gesundheitlichen Beurteilung der Aromatisierungsmittel für Lebensmittel;Bär;Medizin Ernähr.,1967
4. Effect of certain toxic substances used in the production of plastics on the organism;Bernard,1962