Functional Integration Test of Mass Processes with Electronic Signatures in Public Administration. - B. Lapken; Frank Losemann; Thomas Engel 001; Christoph Meinel (ECIS, 2000)

Advanced Reliability for Internet Transactions by Signed Bills. - Andreas Heuer 002; Frank Losemann; Christoph Meinel (International Conference on Internet Computing, 2000)

Proprietary versus Interoperable User Certificates in E-Commerce via Internet. - Frank Losemann; Thomas Engel 001; Christoph Meinel (International Conference on Internet Computing, 2000)

Signed Preservation Of Online References. - Andreas Heuer 002; Frank Losemann; Christoph Meinel (WebNet, 2000)

Logging and Signing Document-Transfers on the WWW-A Trusted Third Party Gateway. - Andreas Heuer 002; Frank Losemann; Christoph Meinel (WISE, 2000)

Suggestion for an alternative to watermarking and digital signatures. - Lutz Vorwerk; Frank Losemann; Christoph Meinel (Security and Watermarking of Multimedia Contents, 2001)

Zertifikatsmanagement für große Organisationen: PKI-Aspekte in der praktischen Anwendung. - Frank Losemann (2005)