?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S+D&rft.au=Singh%2C+S+D&rft.aulast=Singh&rft.atitle=Sources+of+resistance+to+downy+mildew+and+rust+in+pearl+millet+&rft.title=Plant+Disease&rft.issn=0191-2917&rft.date=1990&rft.volume=74&rft.pages=871-874&rft.issue=11&rft.genre=article