?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Lee%2C+K+K&rft.aufirst=K+K&rft.aulast=Lee&rft.issn=0038-0768&rft.pages=477-484&rft.atitle=Associative+N2-fixation+in+pearl+millet+and+sorghum%3A+levels+and+response+to+inoculation.+&rft.volume=40&rft.issue=3&rft.title=Soil+Science+and+Plant+Nutrition&rft.date=1994&rft.genre=article