Bellare, Mihir ; Garay, Juan A. ; Hauser, Ralf ; Herzberg, Amir ; Krawczyk, Hugo ; Steiner, Michael ; Tsudik, Gene ; Herreweghen, Els Van ; Waidner, Michael (2000):
Design, Implementation and Deployment of the iKP Secure Electronic Payment System.
In: IEEE Journal on Selected Areas in Communications, 18 (4), pp. 611--627. [Article]

Bellare, Mihir ; Garay, Juan A. ; Hauser, Ralf ; Herzberg, Amir ; Krawczyk, Hugo ; Steiner, Michael ; Tsudik, Gene ; Waidner, Michael (1995):
iKP -- a family of secure electronic payment protocols.
In: Proc. First USENIX Workshop on Electronic Commerce, pp. 89--106,
[Conference or Workshop Item]