Englisch

Dittmann, Jana ; Steinebach, Martin ; Wohlmacher, Petra ; Ackermann, Ralf (2002)
Digital watermarks enabling e-commerce strategies : conditional and user specific access to services and resources.
In: EURASIP journal on applied signal processing
Artikel, Bibliographie

Dittmann, Jana ; Wohlmacher, Petra ; Ackermann, Ralf ; Wohlmacher, P. (2001)
Conditional and user specific access to services and resources using annotation watermarks.
Konferenzveröffentlichung, Bibliographie