@incollection{eprints2156,
          author = {Stefano Gattei},
           pages = {8044--8049},
            year = {2006},
          volume = {8},
       booktitle = {Enciclopedia Filosofica},
           title = {Oggettivit{\`a}},
       publisher = {Bompiani},
             url = {http://eprints.imtlucca.it/2156/}
}