00890nam a2200253 i 4500991001621079707536120301s2011 enk b 001 0deng 9780415490948 b14043294-39ule_instFacoltà SSPTita301.09222Borch, Christian476640Niklas Luhmann /Christian BorchAbingdon, Oxon ;New York :Routledge,2011viii, 167 p. ;21 cmKey sociologistsContiene riferimenti bibliograficiLuhmann, Niklas,1927-1998.b1404329402-04-1401-03-12991001621079707536LE021 301.09 BOR01.0112020000038634le021pE36.62-n- 01010.i1538701x01-03-12Niklas Luhmann244872UNISALENTOle02001-03-12ma -engenk00