@techreport{iiasa5553,
           month = {December},
            type = {IIASA Interim Report},
           title = {The Social Life of Automata},
         address = {IIASA, Laxenburg, Austria},
       publisher = {IR-98-099},
            year = {1998},
             url = {https://pure.iiasa.ac.at/id/eprint/5553/},
          author = {Sigmund, K.}
}