1. 1. European Parliament and Council Directive 94/27/EEC. Official Journal of the European Communities,, 22-07-1994. no. L 188/1-2 (nickel).
2. 2. European Council Directive 76/768/EEC. Official Journal of the European Communities,, 27-09-1976. no. L 262 (cosmetics).
3. 3. European Council Directive 67/548/EEC. Official Journal of the European Communities,, 16-08-1967. no. L 196 (dangerous substances).
4. 4. European Council Directive 88/379/EEC. Official Journal of the European Communities,, 16-07-1988. no. L 187 (dangerous preparations).
5. 5. Ordinance regarding the prohibition on sales of certain products containing nickel. Ministry of the Environment, Denmark. Ordinance no. 472, 1989, June 27.