?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Caleca%2C+Virgilio+&rft.aulast=Caleca&rft.date=2006&rft.title=Effectiveness+of+clays+and+copper+products+in+the+control+of+Bactrocera+oleae+(Gmelin)&rft.genre=proceeding