![143459](https://sdvigpress.org/images/creator/_default.jpg)
References
C. Neumann
On the definition of the equality of successive intervals of time![Open Access Link](images/OAlink.png)
1976
in: The concepts of space and time, Dordrecht : Springer
![Open Access Link](images/OAlink.png)
On the necessity of the absolute frame of reference![Open Access Link](images/OAlink.png)
1976
in: The concepts of space and time, Dordrecht : Springer
![Open Access Link](images/OAlink.png)