?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+graphical+assessment+of+data+from+intercropping+factorial+experiments&rft.title=Experimental+Agriculture&rft.issn=0014-4797&rft.date=1983&rft.volume=19&rft.pages=23-31&rft.issue=1&rft.genre=article