?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+K&rft.au=Abekoe%2C+M+K&rft.aulast=Abekoe&rft.atitle=Phosphate+retention+and+extractability+in+soils+of+the+humid+zone+in+West+Africa&rft.title=Geoderma&rft.issn=0016-7061&rft.date=2001&rft.volume=102&rft.pages=175-187&rft.issue=1-2&rft.genre=article