?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P+J+A+Van+der&rft.au=Merwe%2C+P+J+A+Van+der&rft.aulast=Merwe&rft.atitle=Mechanisms+of+resistance+to+groundnut+rosette&rft.title=International+Arachis+Newsletter&rft.issn=1010-5824&rft.date=2001&rft.volume=21&rft.pages=43-46&rft.genre=article