Doppelkopf
| Name | Doppelkopf |
|---|---|
| Category | 50th Anniversary |
| Affiliation | RWTH Aachen University |
| Country |
 Germany
|
| Name | Doppelkopf |
|---|---|
| Category | 50th Anniversary |
| Affiliation | RWTH Aachen University |
| Country |
Germany
|