The EuroPKI Experience. - Antonio Lioy; Marius Marian; Natalia Moltchanova; Massimiliano Pala (EuroPKI, 2004)

PKI past, present and future. - Antonio Lioy; Marius Marian; Natalia Moltchanova; Massimiliano Pala (Int. J. Inf. Sec., 2006)