1. AMICO: The Art Museum Image Consortium. http://www.amico.org/ (last visited 23/12/03)
2. AMICO Library. http://www.amico.org/library.html (last visited 23/12/03)
3. ARCO: Augmented Representation of Cultural Objects. http://www.arco-web.org/ (last visited 23/12/03)
4. ARCO Consortium (2001) ARCO Deliverable D3. User requirements and specifications.
5. ARCO Consortium (2002) ARCO Deliverable D8. Report on the XML descriptions of the database cultural objects. http://www.arco-web.org/public-documents/