![]() | Argumentation : Approaches to theory formation. Containing the contributions to the Groningen Conference on the Theory of Argumentation, October 1978 |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | Argumentation : Approaches to theory formation. Containing the contributions to the Groningen Conference on the Theory of Argumentation, October 1978 |