?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=N.&rft.au=Ballarini%2C+N.&rft.aulast=Ballarini&rft.title=Tracking+Outdoor+Per+Precision+Farming+Tramite+WSN&rft.degree=Masters&rft.date=2009&rft.inst=University+of+Trento