?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B+I+G&rft.au=Haussmann%2C+B+I+G&rft.aulast=Haussmann&rft.atitle=Pattern+analysis+of+genotype+%C3%97+environment+interaction+for+striga+resistance+and+grain+yield+in+African+sorghum+trials+&rft.title=Euphytica&rft.issn=0014-2336&rft.date=2001&rft.volume=122&rft.pages=297-308&rft.issue=2&rft.genre=article