"Secure E-Coupons", Electronic Commerce Research, 5 (2005), 117-139. (With C. Blundo, S. Cimato)
"Bounds and Constructions for Metering Schemes", Communications in Information and Systems, vol. 2, n. 1 (2002), 1-28. (With C. Blundo, B. Masucci)
In Refereed Workshops
For citations to the above papers, please see my Google Scholar Citations Profile.