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  • × classification_ss:"S 150 (20)"
  • × year_i:[1970 TO 1980}
  1. Watzlawick, P.: Wie wirklich ist die Wirklichkeit? : Wahn, Täuschung, Verstehen (1976) 0.02 
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    Classification
    CP 2000
    RVK
    CP 2000