PIRRI, M.; PETTENATI, M. C.; GIULI, D. Design of a Federation Service for Digital Libraries: the Case of Historical Archives in the PORTA EUROPA Portal (PEP) Pilot Project. International Conference on Dublin Core and Metadata Applications, Universe, p. pp. 157–162, 2002. Disponível em: https://dcpapers-past.dublincore.org/pubs/article/view/706. Acesso em: 19 sep. 2024.