?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Matasci%2C+C.L.&rft.aulast=Matasci&rft.aufirst=C.L.&rft.date=2006&rft.title=Analysis+of+selection+pressure+exerted+on+Plasmopara+viticola+by+organically+based+fungicides&rft.genre=proceeding