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References
Viktor S. Tyukhtin
System-structural approach in methodological investigation![Open Access Link](images/OAlink.png)
1969
in: Sektionen I-IV, Freiburg-Basel-Wien : Herder
![Open Access Link](images/OAlink.png)
Keeping phenomenologists informed since May 2002
1969
in: Sektionen I-IV, Freiburg-Basel-Wien : Herder