![105300](https://sdvigpress.org/images/creator/_default.jpg)
References
Hans Siegfried
Self-presentation![Open Access Link](images/OAlink.png)
1989
in: American phenomenology, Dordrecht : Kluwer
![Open Access Link](images/OAlink.png)
Contribution to the debate: Professor Wallulis on theory and emancipation![Open Access Link](images/OAlink.png)
1983
in: Foundations of morality, human rights, and the human sciences, Dordrecht : Reidel
![Open Access Link](images/OAlink.png)