1. Ontwerpbesluit verwijdering wit- en bruingoed, concept. Staatscourant 5.8, 24-03-1998 (in Dutch).
2. Technical Report 70. Product-related environmental attributes. ECMA, 1997.
3. Recovery of WEE: Economic and Environmental Impacts. Final Report. A report produced for European Commission, DG XI by AEA Technology. National Environmental Technology Center Brussels, European Commission DG XI, 1997.
4. Verordnung über die Vermeidung, Verringerung und Verwertung von Abfällen gebrauchter elektrischer und Elektronischer Geräte (Elektronik-Schrott-Verordnung — ESV). Entwurf vom 11-07-1991 (in German).
5. Proposal for a directive on waste from electrical and electronical equipment, Second Draft. Brussels: European Commission, Directorate General XI, 7 July 1998.