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References
Ian Bryan
Introduction: Kelsen, legal science and positive law![Open Access Link](images/OAlink.png)
2017
with Langford Peter, McGarry John
in: Kelsenian legal science and the nature of law, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
![](https://sdvigpress.org/images/publi/_default.jpg)
2017
with Langford Peter, McGarry John (ed)
Dordrecht, Springer
![Open Access Link](images/OAlink.png)