1. EU 91/689/EEC (http://europa.eu.int/smartapi/cgi/sga_doc?smartapi!celexplus!prod!DocNumber1g=entype_doc=Directivean_doc=91nu_doc=689)
2. Decision 93/98/EEC (http://europa.eu.int/smartapi/cgi/sga_doc?smartapi!celexplus!prod!DocNumber1g=entype_doc=Decisionan_doc=93nu_doc=98)
3. Decision 97/640/EC (http://europa.eu.int/smartapi/cgi/sga_doc?smartapi!celexplus!prod!DocNumber1g=entype_doc=Decisionan_doc=97nu_doc=640)
4. Regulation (EC) No 1493/93 (http://europa.eu.int/smartapi/cgi/sga_doc?smartapi!celexplus!prod!DocNumberlg=entype_doc=Regulationan_doc=93nu_doc=1493)
5. COM(2003) 32 (http://europa.eu.int/smartapi/cgi/sga_doc?smartapi!celexplus!prod!DocNumber1g=entype_doc=COMfinalan_doc=2003nu_doc=32)