| 2006 | ||
|---|---|---|
| 2 | Amir Hayat, Thomas Rossler, Muhammad Alam: Proposed Framework for Achieving Interoperable Services Between European Public Administrations. ARES 2006: 424-431 | |
| 2005 | ||
| 1 | Amir Hayat, Christian Rechberger: Interoperable Certification Authorities In The European Union: A Practical Solution. EGOV (Workshops and Posters) 2005: 374-381 | |
| 1 | Muhammad Alam | [2] |
| 2 | Christian Rechberger | [1] |
| 3 | Thomas Rossler | [2] |