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by Johnson, Neil F.; Jefferies, Paul; Hui, Pak Ming
by Johnson, Neil F.
by Johnson, Neil F.; Duric, Zoran; Jajodia, Sushil
by Camenisch, Jan L.; Collberg, Christian S.; Johnson, Neil F.; et al.
by Brown, Robert C.; Hoskins, John A.; Johnson, Neil F.
by Neil F. Johnson; Zoran Duric; Sushil Jajodia
by Johnson, F. Neil