@article{eprints3337,
           title = {On cultural constraints on piraha grammar},
            year = {2006},
          volume = {47},
           month = {February},
           pages = {143--145},
          number = {1},
         journal = {Current Anthropology},
          author = {Valentina Bambini and Claudio Gentili and Pietro Pietrini},
             url = {http://eprints.imtlucca.it/3337/}
}