?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+L&rft.au=Sahrawat%2C+K+L&rft.aulast=Sahrawat&rft.atitle=Sulfuric+acid-selenium+digestion+for+multi-element+analysis+in+a+single+plant+digest&rft.title=Communications+in+Soil+Science+and+Plant+Analysis&rft.date=2002&rft.volume=33&rft.pages=3757-3765&rft.issue=19-20&rft.genre=article