1. Biometrics and privacy;Grijpink;Computer Law and Security Report,2001
2. Personal numbers and identity fraud, number strategies for security and privacy in an information society, part I and II;Grijpink;Computer Law and Security Report,2002
3. Identity fraud as a challenge to the constitutional state;Grijpink;Computer Law and Security Report,2004
4. Two barriers to realizing the benefits of biometrics: a chain perspective on biometrics, and identity fraud as biometrics' real challenge;Grijpink;Computer Law and Security Report,2005
5. Our emerging information society, the challenge of large-scale information exchange in the constitutional state;Grijpink;Computer Law and Security Report,2005