European Citizen Card Combined with Travel Document Function, Convergence or Divergence? - Detlef Houdeau (ISSE, 2006)

ID Cards in Practice. - Detlef Houdeau (ISSE, 2007)

Progress through uniformity. - Detlef Houdeau (ISSE, 2008)

Second Wave of Biometric ID-documents in Europe: The Residence Permit for non-EU/EEA Nationals. - Detlef Houdeau (ISSE, 2009)

Landscape eID in Europe in CY2013. - Detlef Houdeau (Open Identity Summit, 2013)

Elektronische Identifikation in Europa: die neue EU-Verordnung. - Frank Byszio; Detlef Houdeau; Gisela Meister; Klaus-Dieter Wolfenstetter (Datenschutz und Datensicherheit, 2013)

Approach to vendor authentication. - Detlef Houdeau; Amit Kumer Meher (Open Identity Summit, 2014)

Digitale Identität als Fundament der vertrauenswürdigen Transformation. - Detlef Houdeau; Tina Hühnlein; Klaus-Dieter Wolfenstetter (Datenschutz und Datensicherheit, 2019)

VE-FIDES: Designing Trustworthy Supply Chains Using Innovative Fingerprinting Implementations. - Bernhard Lippmann; Joel Hatsch; Stefan Seidl; Detlef Houdeau; Niranjana Papagudi Subrahmanyam; Daniel Schneider; Malek Safieh; Anne Passarelli; Aliza Maftun; Michaela Brunner; Tim Music; Michael Pehl; et al. (DATE, 2023)