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References
Vadim Sadovsky
(1960-1969)
XLogical and methodological aspects of general system theory![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
(1960-1969)
X1969
in: Sektionen I-IV, Freiburg-Basel-Wien : Herder