@book{eprints55,
          series = {Maestri del Novecento},
         address = {Roma-Bari},
       publisher = {Laterza},
           title = {Introduzione a Popper},
          author = {Stefano Gattei},
            year = {2008},
          volume = {12},
             url = {http://eprints.imtlucca.it/55/}
}