?url_ver=Z39.88-2004&rft_id=10.1142%2FS021812740701852X&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Ramon&rft.aulast=Ferrer+I+Cancho&rft.au=Ferrer+I+Cancho%2C+Ramon&rft.issn=0218-1274&rft.date=2007&rft.title=International+Journal+of+Bifurcation+and+Chaos&rft.atitle=Spectral+methods+cluster+words+of+the+same+class+in+a+syntactic+dependency+network&rft.issue=7&rft.pages=2453-2463&rft.volume=17&rft.genre=article