1. Ordinance of the Swedish Government SFS 1979:771 (date of effect 1. July 1980)
2. Publication of the Swedish products control board (17. June 1980): Analysis methods and the determination of maximum permissible cadmium contents
3. Amtsblatt der Europäischen Gemeinschaften No. C334 (20. Dec. 1982) p. 143
4. Statement of Verband der Automobilindustrie (VDA) (9. Dec. 1983): Stellungnahme zum Schwedischen Cadmiumverbot
5. Saltzman B-E (1953) Anal Chem 25:493