?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B&rft.au=Nath%2C+B&rft.aulast=Nath&rft.atitle=Genetic+divergence+among+a+non-restorer+collection+of+sorghum+(Sorghum+bicolor+(L.)+Moench)+and+its+relationship+with+heterosis+&rft.title=Euphytica&rft.date=1985&rft.volume=34&rft.pages=441-447&rft.genre=article