?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Voorrips%2C+Roeland+E.&rft.aulast=Voorrips&rft.aufirst=Roeland+E.&rft.date=2006&rft.title=Factors+affecting+thrips+resistance+in+cabbage&rft.genre=proceeding