?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+A&rft.au=Mgonja%2C+M+A&rft.aulast=Mgonja&rft.atitle=Stratification+of+SADC+regional+pearl+millet+testing+sites+based+on+grain+yield+performance+of+lines&rft.title=Field+Crops+Research&rft.date=2002&rft.volume=73&rft.pages=143-151&rft.issue=2-3&rft.genre=article