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  • × subject_ss:"Systemtheorie"
  • × year_i:[1960 TO 1970}
  1. Bertalanffy, L. von: General system theory : foundations, development, applications (1969) 0.00 
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    BK
    30.10 Systemtheorie <Naturwissenschaften allgemein>
    Classification
    30.10 Systemtheorie <Naturwissenschaften allgemein>