?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Song%2C+S+X&rft.aufirst=S+X&rft.aulast=Song&rft.issn=1010-5824&rft.pages=13-14&rft.atitle=Status+and+significance+of+root-knot+disease+of+groundnut+in+China&rft.volume=11&rft.title=International+Arachis+Newsletter&rft.date=1992&rft.genre=article