?url_ver=Z39.88-2004&rft_id=10.1097%2FSS.0000000000000143&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Van+Ranst&rft.au=Van+Ranst%2C+E.&rft.aufirst=E.&rft.pages=75-81&rft.atitle=Yellowing+of+a+red+south+african+kandiudult%2C+studied+by+means+of+m%C3%83%C2%B6ssbauer+spectroscopy&rft.volume=181&rft.issn=0038075X&rft.issue=2&rft.date=2016&rft.title=Soil+Science&rft.genre=article