Digital Identity and it's Implication for Electronic Government. - Clemens H. Cap; Nico Maibaum (I3E, 2001)

Extending the Data Storage Capabilities of a Java-Based Smartcard. - Clemens H. Cap; Nico Maibaum; Lars Heyden (ISCC, 2001)

Fasme - A Step Towards European E-government Solutions. - Niklas Auerbach; Nico Maibaum (ECIS, 2002)

A Citizen Digital Assistant for e-Government. - Nico Maibaum; Igor Sedov; Clemens H. Cap (EGOV, 2002)

FASME - From Smartcards to Holistic IT-Architectures for Interstate e-Government. - Reinhard Riedl; Nico Maibaum (EGOV, 2002)

JavaCard-kontrollierter, sicherer Zugriff auf persönliche Dokumente und Berechtigungen. - Clemens H. Cap; Nico Maibaum; Lars Heyden (GI Jahrestagung, 2002)

JXTA: a technology facilitating mobile peer-to-peer networks. - Nico Maibaum; Thomas Mundt (MOBIWAC, 2002)

Citizen Digital Assistant (CDA) - Ein sicherer Zugang zu e-Government-Diensten. - Nico Maibaum; Igor Sedov; Clemens H. Cap; Marc Haase; Dirk Timmermann (Prax. Inf.verarb. Kommun., 2003)