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  • × subject_ss:"Systemtheorie"
  1. Bertalanffy, L. von: General system theory : foundations, development, applications (1998) 0.03 
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  2. Bertalanffy, L. von: General system theory : foundations, development, applications (1969) 0.03 
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  3. Skyttner, L.: General systems theory : problems, perspectives, practice (2005) 0.02 
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