?url_ver=Z39.88-2004&rft_id=10.1371%2Fjournal.pone.0037507&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Federica&rft.au=Cerina%2C+Federica&rft.aulast=Cerina&rft.atitle=Spatial+Correlations+in+Attribute+Communities&rft.title=PloS+One&rft.issue=5&rft.volume=7&rft.date=2012&rft.pages=e37507&rft.issn=1932-6203&rft.genre=article