?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=Registration+of+five+pearl+millet+germplasm+sources+with+stable+resistance+to+downy+mildew&rft.title=Crop+Science&rft.issn=0011-183X&rft.date=1990&rft.volume=30&rft.pages=1164-1164&rft.issue=5&rft.genre=article