?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Oliva+Vincenzo&rft.aulast=Oliva&rft.aufirst=Vincenzo&rft.title=Gli+intervalli+musicali&rft.date=2009&rft.isbn=978-963-482-967-6&rft.genre=bookitem