Long-term Retention in E-Voting - Legal Requirements and Technical Implementation. - Rotraud Gitter; Lucie Langer; Susanne Okunick; Zoi Opitz-Talidou (Electronic Voting, 2008)

Data Structure for the Security Suitability of Cryptographic Algorithms (DSSC). - Thomas Kunz; Susanne Okunick; Ulrich Pordesch (RFC, 2009)