?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B&rft.au=Gilliver%2C+B&rft.aulast=Gilliver&rft.atitle=A+Design+and+Methods+of+Analysis+to+Monitor+Crop+Growth+Conditions+Illustrated+with+Sorghum+Screening+Trails+for+Resistance+to+Striga&rft.title=Experimental+Agriculture&rft.date=1985&rft.volume=21&rft.pages=233-240&rft.genre=article