Pieprzyk, J., Safani-Naivi, R., Seberry, J., Pieprzyk, J., Safavi-Naini, R., & Seberry, J. (1999). Information security and privacy: 4th Australasian Conference, ACISP'99, Wollongong, NSW, Australia, April 7-9, 1999 : proceedings. Berlin: Springer.

Pieprzyk, Josef, Rei Safani-Naivi, Jennifer Seberry, Josef Pieprzyk, Rei Safavi-Naini, and Jennifer Seberry. Information Security and Privacy: 4th Australasian Conference, ACISP'99, Wollongong, NSW, Australia, April 7-9, 1999 : Proceedings. Berlin: Springer, 1999.

Pieprzyk, Josef, et al. Information Security and Privacy: 4th Australasian Conference, ACISP'99, Wollongong, NSW, Australia, April 7-9, 1999 : Proceedings. Berlin: Springer, 1999.