@InProceedings {frd.meta03,
    author = {E. {Fernandez-Medina} and G. Ruiz and S. {De Capitani di Vimercati}},
    booktitle = {Proc. of the Workshop for Metadata Security},
    title = {Implementing an Access Control System for {SVG} Documents},
    address = {Catania, Sicily, Italy},
    month = {November},
    year = {2003}
}