?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S&rft.au=Homann-Kee+Tui%2C+S&rft.aulast=Homann-Kee+Tui&rft.atitle=Assessing+the+potential+of+dual-purpose+maize+in+southern+Africa%3A+A+multi-level+approach&rft.title=Field+Crops+Research&rft.issn=0378-4290&rft.date=2013&rft.volume=153&rft.pages=37-51&rft.genre=article