- CSB - MetaPress - Google - Bing - Yahoo
 | 1998 | |
|---|---|---|
| 4 |      | Manfred Bogen, Marion Borowski, Guido Hansen, Michael Lenz: German Government Online. Computer Networks 30(1-7): 607-609 (1998) |
| 3 | | Christian Bonkowski, Marion Borowski, Guido Hansen, Michael Lenz: Online Information Services for the German Government's Audiences. Computer Networks 30(16-18): 1637-1647 (1998) |
| 1997 | ||
| 2 |  | Manfred Bogen, Guido Hansen: How to Make Money with Web Access. WebNet 1997 |
| 1996 | ||
| 1 | | Manfred Bogen, Guido Hansen, Michael Lenz: W3Gate - A Web Access for Outsiders. Computer Networks and ISDN Systems 28(14): 1979-1990 (1996) |
| 1 | Manfred Bogen | [1] [2] [4] |
| 2 | Christian Bonkowski | [3] |
| 3 | Marion Borowski | [3] [4] |
| 4 | Michael Lenz | [1] [3] [4] |